Shootings leave 1 dead, 2 hurt

A bike lies abandoned in the snow near the spot where a 22-year-old man was found fatally shot Friday night. (Adam Sege, Chicago Tribune)

By Adam Sege

3:02 a.m. CST, February 2, 2013

A pair of shootings on a cold and snowy Friday night left a 22-year-old man dead and two people injured, Chicago police said.

The fatal shooting happened about 8:30 p.m., Chicago Police Department News Affairs Officer Ron Gaines said.

Officers found the man in a hallway of a three-story apartment building in the 3900 block of North Central Avenue, in the Northwest Side's Portage Park neighborhood.

Paramedics rushed the man to Our Lady of the Resurrection Medical Center, where he was pronounced dead.

Later, as snow coated Central Avenue and several squad cars parked near the scene, police searched for evidence and photographed a bike lying by an entrance on the building's north side.

It appeared the man had collapsed shortly after being shot near where the bike was found, police said.

Police have launched a homicide investigation in the shooting.

In a separate shooting, a 19-year-old and a 20-year-old were wounded about 11:30 p.m. near the intersection of South California Avenue and West 52nd Street.

Someone opened fire from an alley as the two walked home from a party, striking the 19-year-old in the back and the 20-year-old in the side, Gaines said.

Both people were taken to Mount Sinai Hospital, where they were listed in good condition Gaines said.

The shooting happened in the Gage Park neighborhood on the Southwest Side.

Check back for more information.

chicagobreaking@tribune.com

Twitter: @ChicagoBreaking

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Thirty-one killed as militants attack Pakistan checkpoint

DERA ISMAIL KHAN, Pakistan (Reuters) - Militants attacked an isolated army checkpoint in Pakistan's restive northwest on Saturday, with at least 31 people killed in the initial assault, subsequent crossfire and a rocket attack on a house, officials said.

The Pakistan Taliban claimed responsibility, saying the attack was in response to a U.S. drone strike in neighboring North Waziristan last month in which two commanders were killed.

The Pakistani military and pro-government militias have since 2009 regained territory from the Pakistan Taliban, who once controlled land a few hours' drive from the capital of Islamabad.

The militants attacked the post at Lakki Marwat early on Saturday.

Security sources said at least 12 militants and nine officials and civilians were killed in the clash. Two bodies had suicide bomb belts on them, an official said.

"Cross-firing between militants and security officials continued for four hours," one source said.

The militants also targeted a house next to the camp with rockets, killing 10 members of one family, sources said.

"Pakistan has been co-operating with the U.S. in its drone strikes that killed our two senior commanders, Faisal Khan and Toofani, and the attack on military camp was the revenge of their killing," the Taliban spokesman said.

He said four suicide bombers attacked the camp and blew themselves up. He said more than a dozen soldiers were killed.

(Additional reporting by Jibran Ahmad in Peshawar, Javed Hussain in Parachinar and Mubasher Bukhari in Islamabad; Writing by Nick Macfie)

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Euro rises, shares gain as Europe's outlook brightens

LONDON (Reuters) - The euro hit a fresh 14-month high and European stocks gained on Friday after economic data raised hopes that the region's downturn has eased, but moves were limited as investors await a U.S. jobs report.

Euro zone factories had their best month in nearly a year during January although the currency bloc is likely to remain mired in recession for a few more months, the latest reading of Markit's Purchasing Managers' Index (PMI) showed.

"Providing there are no further setbacks to the region's debt crisis, these data add to the expectation that the euro zone is on course to return to growth by mid-2013," said Chris Williamson, chief economist at data compiler Markit.

The euro hit a high of $1.3657 after the data came out, its highest level since November 2011. The common currency also hit a 33-month high against the yen, rising more than 1 percent to 125.96 yen.

The pan-European FTSEurofirst 300 index <.fteu3> extended its recent gains by 0.4 percent to 1,169.14 points, near a 23-month high after solid rally since the start of the year. London's FTSE 100 <.ftse>, Paris's CAC-40 <.fchi> and Frankfurt's DAX <.gdaxi> were up between 0.5 and 0.8 percent.

Earlier, China's official PMI for January eased to 50.4, missing market expectations for a rise and underscoring the fragility of the recovery from the economy's weakest year since 1999.

However, a separate private survey showed that growth in China's giant manufacturing sector hit a two-year high in January as domestic demand strengthened, underlining hopes the nation's economic recovery is slowly gaining momentum.

The Chinese data left MSCI's broadest index of Asia-Pacific shares outside Japan <.miapj0000pus> little changed

EURO STRENGTH

The euro has risen significantly in recent weeks as the outlook for the 17-nation currency bloc has improved, and also as investors respond to the sharply easier monetary policies of the U.S. Federal Reserve and Bank of Japan.

"The perception is that the ECB is being less supportive and is not providing as much liquidity as the other central banks are," said Andrew Milligan, head of Global Strategy at Standard Life Investments.

At the same time liquidity in the European money markets is being affected by quicker-than-expected repayments of crisis loans handed out by the ECB at the height of the bloc's crisis just over a year ago.

Banks have another two years to pay back the money if they want, but have taken the opportunity this week to return over a quarter of the 489 billion euros ($663.77 billion) they took in the first of the ECB's two "LTRO" handouts.

From now on they can pay back as little or as much of the remaining money as they want each week. After the fast start, analysts are awaiting Friday's details of next week's repayments for clues on whether the pace is likely to continue.

Money market rates have already risen by a quarter of a percentage point since the start the year - the equivalent of a standard ECB interest rate increase - and are likely climb by at least the same amount again if the money continues to drain rapidly from the system.

For Europe's struggling countries and the ECB this is not an ideal situation, effectively tightening monetary policy and creating unwanted stress just as economies are showing fragile signs of improvement.

JOBS EYED

Friday's U.S. nonfarm payrolls data due at 8:30 a.m. ET could be a another factor to drive the euro higher, as a strong report would knock the safe-haven dollar.

The dollar was trading at a 3-1/2 month low against a basket of currencies <.dxy> on Friday after falling 0.3 percent to 78.97 points.

Employers are expected to have added 160,000 new jobs to their payrolls in January, a marginal step up from December's 155,000 gain, according to a Reuters survey of economists. The unemployment rate is seen holding steady at 7.8 percent.

The U.S. economy unexpectedly contracted in the fourth quarter, its weakest performance since emerging from recession in 2009, and it grew just 2.2 percent in the whole of 2012.

The U.S. ISM factory survey, a national report on the state of American manufacturers, is also due at 10 a.m. ET.

(Additional reporting by Marc Jones,; editing by Philippa Fletcher)

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Carville, Matalin enjoy role as Big Easy boosters

NEW ORLEANS (AP) — When Mary Matalin heard a baby cry during a Super Bowl news conference this week, she paused midsentence, peered in the direction of the fussing child and asked: "Is that my husband?"

Matalin, the noted Republican political pundit, isn't shy about making jokes at the expense of Democratic strategist James Carville, who went from being her professional counterpart to her partner in life when they were married — in New Orleans — two decades ago.

This week, though, and for much of the past few years, the famous political odd couple have been working in lockstep for a bipartisan cause — the resurgence of their adopted hometown.

Their passion for the Big Easy and its recovery from Hurricane Katrina was why Carville and Matalin were appointed co-chairs of New Orleans' Super Bowl host committee, positions that made them the face of the city's effort to prove it's ready to be back in the regular rotation for the NFL's biggest game.

"Their commitment to New Orleans and their rise to prominence here locally as citizens made them a natural choice," said Jay Cicero, president of the Greater New Orleans Sports Foundation, which handles the city's Super Bowl bids. "It's about promoting New Orleans, and their being in love with this city, they're the perfect co-chairs."

Carville, a Louisiana native, and Matalin moved from Washington, D.C., to historic "Uptown" New Orleans in the summer of 2008, a little less than three years after Katrina had laid waste to vast swaths of the city. There was not only heavy wind damage but flooding that surged through crumbling levees and at one point submerged about 80 percent of the city.

The couple had long loved New Orleans, and felt even more of a pull to set down roots here, with their two school-age daughters, at a time when the community was in need.

"The storm just weighed heavy," Carville said. "We were thinking about it. We'd been in Washington for a long time. The more that we thought about it, the more sense that it made. We just came down here (to look for a house) in late 2007 and said we're just going to do this and never looked back."

Matalin said she and Carville also wanted to raise their daughters in a place where people were willing to struggle to preserve a vibrant and unique culture.

"It's authentically creative, organically eccentric, bounded by beauty of all kinds," she said. "People pull for each other, people pull together. ... Seven years ago we were 15 feet under water. ... This is unparalleled what the people here did and that's what you want your kids to grow up with: Hope and a sense of place, resolve and perseverance."

Carville has been an avid sports fan all his life, and Matalin jokes that he now schedules his life around Saints and LSU football.

An LSU graduate, Carville has been a regular sight in Tiger Stadium in Baton Rouge, often wearing a purple and gold rugby-style shirt.

In New Orleans, he and Matalin have lent their names not just to the Super Bowl host committee, but to efforts to prevent the NBA's Hornets from leaving when the ownership situation was in flux.

"I was scared to death they would leave the city," said Carville of the Hornets, who were purchased by the NBA in December of 2010 when club founder George Shinn wanted to sell and struggled to find a local buyer. "We were starting to do better (as a community). It would have been a terrible story to lose an NBA franchise at that time."

Saints owner Tom Benson has since bought the NBA club and signed a long-term lease at New Orleans Arena, ending speculation about a possible move.

Carville and Matalin also have taken part in a range of environmental, educational, economic and cultural projects in the area. Matalin is on the board of the Water Institute of the Gulf, which aims to preserve fragile coastal wetlands that have been eroding, leaving south Louisiana ecosystems and communities increasingly vulnerable to destruction. They have supported the Institute of Politics at Loyola University and the New Orleans Jazz Orchestra.

Carville teaches a current events class at Tulane University and he looks forward to getting involved in the 200th anniversary of the Battle of New Orleans in 2015 and New Orleans' tercentennial celebrations in 2018, when the city also hopes to host its next Super Bowl, if the NFL sees fit.

Leading a Super Bowl host committee, the couple said, has similarities to running a major national political campaign, but takes even more work.

"This has been going on for three years and it's huge," Matalin said. "It's bigger, it's harder, it's more complex — even though it's cheaper."

The host committee spent about $13 million in private and public funds to put on this Super Bowl, and the payoff could be enormous in terms of providing a momentum boost to the metro area's growth, Carville said.

"For us — New Orleans — I think this is going to be much more than a football game Sunday," Carville said of the championship matchup between the Baltimore Ravens and San Francisco 49ers. "We'll know how we feel about it on Monday. It's a big event, it helps a lot of people, but I think we have a chance if it goes the way we hope it does, it'll go beyond economic impact. It'll go beyond who won the game. I think there's something significant that's coming to a point here in the city."

So there's a bit of anxiety involved, to go along with the long hours. But Carville and Matalin say they've loved having a role in what they see as New Orleans' renaissance.

"I always say I'm so humbled by everyone's gratitude," Matalin said. "We get up every day and say, 'Thank you, God. Thank you, God.' It's a blessing for us to be able to be here, to live here."

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Build Your Own Moon: Online Lunar Game Nabs Honors

An online game that allows players to build their own moon and sculpt its features has won big praise in science art competition.

The game, called “Selene: A Lunar Construction GaME,” measures how and when players learn as they discover more about how the Earth’s moon formed and, by extension, the solar system. It received an honorable mention in the 2012 International Science & Engineering Visualization Challenge, the journal Science announced today (Jan. 31).

As players experiment with the game, they learn more about one of the easiest heavenly bodies they can study, Selene developers said.

“The moon is the only body in the entire universe that we on Earth can look at with the unaided eye,” Debbie Denise Reese, principle investigator of the overarching Cyberlearning through Game-based, Metaphor Enhanced Learning Objectives (CyGaMEs) project, told SPACE.com. “When they look at the moon, players are seeing what actually created those features.”

No longer are the dark plains and overlapping craters a mystery.

“It makes moon observations more meaningful,” Reese said.

Build your own moon

Named for the Greek goddess of the moon, Selene works in two parts. In the first round, players aim asteroids of varying sizes, densities, and radiations so that they collide with one another. Too much force, and the rocks ricochet off one another. [How Earth's Moon Formed (Video)]

But even if you overshoot your target, the gravity of the growing moon may tug just enough to pull the new piece into the pack, giving participants a chance to watch accretion in action. The developing moon is constantly compared to the real-life one, and players strive to make as close a match as possible.

After all of the small asteroids have melted together to form a smooth new moon, it’s time to scratch up the surface. Players can aim asteroids of varying sizes at the body, and select areas where lava breaks through the crust. Again, the time range is compared to Earth‘s moon, with spikes and dips in bombardment and lava flow that the player must work to emulate.

 ”Playing Selene could be tied to eyeball observations of the moon at night,” Charles ‘Chuck’ Wood, Executive Director of the center for Educational Technologies at Wheeling Jesuit University in West Virginia, told SPACE.com by email.

“The dark smudges and bright pinpricks would become understandable as massive lava flows and impact craters because the player had virtually created the same features.”

With almost 50 years of planetary science experience, Wood served as the content expert for the project. According to Reese, one of the goals was “to transfer what’s inside his head into procedural activities that players can do.”

Because the accretion and surface-sculpting processes for the moon echo that of the rest of the planets, players also develop an understanding of how the early solar system formed.[New Ideas About the Moon-Forming Impact (Video)]

As kids ages nine and up engage in the game, they build concrete knowledge that can be applied into any learning environment that they later experience, a process that serves to make learning more intuitive, according to Reese.

Though the game is effective for high school and college students, and slanted to match the national standards for those age ranges, Reese said that it was more attractive to middle school students. By the time students hit upper educational levels, they are either more focused directly on their studies, or more attracted by high-action games, such as first person shooters.

But when it comes to 9- to- 14-year-olds, Reese said, “they just eat this up.”

Learning about learning

As players engage in discovering just how a moon is shaped, Reese and other scientists are engaged in finding out more about how those players learn. One of the primary goals of Selene is to allow Reese and her team to analyze the learning process. That means the game requires a login, and for minors, parental permission must be given.

Although a thorough analyzation takes time, Reese was able to provide a quick overview of my game play while I spoke to her by phone, something I wasn’t expecting. She took the time to analyze how quickly I learned from my failures, and point out not only where I struggled but also when I was immersed in the game.

“I wasn’t with you, but I can tell from looking at your data what your experiences were,” she said.

That under-the-hood ability to study learning is why the project was so attractive in terms of funding to NASA and the National Science Foundation, Reese said.

The idea for Selene first took hold in the summer of 2006, and a prototype of the game was developed by CyGaMEs in May of 2007. The first version was released in 2010. But the game is constantly being improved as the understanding of the learning process grows. The team is also looking at expanding it to mobile platforms in the near future.

“The knowledge that we receive through the CyGaMEs project and using Selene as a research environment helps us to create instructional games across all disciplines,” Reese said.

But that knowledge wasn’t something that could be directly demonstrated to the 2012 International Science & Engineering Visualization Challenge, hosted by the National Science Foundation and the journal Science. Created to emphasize and encourage the growth of science in more visual mediums for education and media purposes, the competition has five categories, one of which is Games & Apps, where Selene placed. There were no first place awards in the Games & Apps category, only honorable mentions.

Both Reese and Wood were excited not only about the award but about the exposure it would provide.

“The recognition is of course a great honor and encouragement — but more importantly, may drive more players to the website so that we can collect more data,” Wood said.

Reese agreed. “To have the success that we’ve had and be able to get the word out is really a great opportunity.”

More players, of course, means more information that can be gathered about how participants learn.

At the same time, more people can learn about how the moon formed, growing their understanding of the nearest celestial body.

“It has been rewarding to see students from elementary to college age understand and talk about lunar processes at a much higher level of understanding than in any textbook,” Wood said.

To learn more about the Selene game, and build your own moon, visit: http://selene.cet.edu/

Follow SPACE.com on Twitter @Spacedotcom. We’re also on Facebook & Google+. 

Copyright 2013 SPACE.com, a TechMediaNetwork company. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
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Reality check needed on immigration?

STORY HIGHLIGHTS

• Howard Kurtz: The mainstream media are rooting for immigration policy changes


• Kurtz: Is enthusiasm causing the media to overestimate the prospects for reform?


• He says the Republican House has been a graveyard for numerous Obama reforms


• Kurtz: Illegal immigration still arouses visceral opposition among some Americans

Editor's note: Howard Kurtz is the host of CNN's "Reliable Sources" and is Newsweek's Washington bureau chief. He is also a contributor to the website Daily Download.

(CNN) -- The mainstream media -- you know who you are -- are rooting for immigration reform.

They like the idea of doing something to accommodate the country's 11 million undocumented immigrants, who, despite conservative rhetoric to the contrary, were never going to be banished.

They swoon over the kind of bipartisanship that brings together John McCain and Marco Rubio on the one hand and Barack Obama and Chuck Schumer on the other.

Howard Kurtz

They believe the Republican Party needs to moderate its harsh rhetoric about immigrants -- if only to salvage its political future -- and are welcoming the GOP's new realism.

But is that enthusiasm causing media organizations to overestimate the prospects for reform?

Watch: Steve Kroft Plays Defense Over Hillary/Obama Lovefest on '60 Minutes'

Any bill still must pass the Republican House, which has been a graveyard for numerous Obama reforms. The Senate has always been a place where top lawmakers reach across the aisle more easily than in the polarized House, as was evident during the fiscal cliff debacle. And there are conservative groups determined to derail any path toward citizenship, which they view as amnesty.

It's not that journalists are acting as cheerleaders for the emerging plan. But when the media have qualms about an issue, they couch it as being "controversial" and "risky" (say, George W. Bush's plan to privatize Social Security).

Opinion: Immigrant - Can we trust Obama?

By contrast, look at the way the president's immigration speech in Las Vegas was covered:

The New York Times: "Seizing on a groundswell of support for rewriting the nation's immigration laws ..."

The Washington Post: "Obama added to momentum on Capitol Hill in favor of an overhaul of the nation's immigration laws ..."

We saw the same supportive approach when the Pentagon lifted a ban on women serving in front-line combat positions, which, despite some conservative opposition, was greeted with favorable features that largely depicted the move as long overdue.

Watch: Should N.Y. Times Have Censored Company Name Over the S-Word?

As with many perpetual Beltway disputes, the contours of a common-sense compromise on immigration have been clear for some time. The right wants tougher border enforcement and employer verification procedures. The left wants undocumented immigrants taken out of the "shadows," as Obama put it, and given a chance to become openly productive members of society.

The key are the tradeoffs. How long would a path to citizenship take? Are fines and back taxes required? How do we ensure that those who broke the law don't get an unfair advantage over legal applicants?

I don't argue with the standard political analysis that the moment may be ripe for immigration reform.

Watch: Media Seize on Emotional Moment of Gabby Giffords' Testimony

Mitt Romney, who talked about wanting immigrants to "self-deport," got clobbered among Hispanic voters. The GOP has lost the popular vote in five of the past six presidential elections. Sean Hannity, the Fox News commentator, says he has "evolved" on the issue, and he's not alone.

The conservative media may be a bellwether here. After Obama's Tuesday speech, Hannity's leadoff guest was Karl Rove, the former Bush lieutenant who favors the Senate compromise. And when Rubio, the Florida senator and son of Cuban immigrants, called in to Rush Limbaugh's show, the host -- while criticizing Obama -- told him, "What you are doing is admirable and noteworthy. You are recognizing reality."

Watch: BlackBerry 10: Is It a Hit or All Thumbs?

But illegal immigration remains a divisive subject that still arouses visceral opposition among some Americans. Capitol Hill is a place where partisan maneuvering can push the government to the brink of default. And as George W. Bush learned in his second term, hammering out a compromise on such a volatile issue is maddeningly elusive.

Perhaps the election changed the landscape and both parties will find a way to compromise. In the meantime, it might be wise to take the upbeat media coverage with a healthy dose of skepticism.

Follow us on Twitter @CNNOpinion.

Join us on Facebook/CNNOpinion.

The opinions expressed in this commentary are solely those of Howard Kurtz.

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Hadiya Pendleton's 'twin' describes death of best friend

The best friend of Hadiya Pendleton talks about the moments before her friend was shot in Chicago on January 31, 2013. (Heather Charles, Chicago Tribune)

As she and her high school classmates fled from the gunfire, Hadiya Pendleton screamed that she had been shot, fell to the ground, struggled to get up and fell again, according to her best friend.

The best friend and another girl scrambled to Pendleton's side, cradling her in their arms as others ran for help.

"I was holding her hand trying to talk her through it," her best friend told the Tribune on Thursday. "I was like, 'You're going to be fine, you're going to be OK.'"

But Hadiya, 15, died shortly after a bullet pierced her back Tuesday, igniting outrage over the senseless loss of another young victim of Chicago's out-of-control gun violence and leaving her friends staggered by the horrifying chain of events on what had been a carefree afternoon.

In the account that follows, the Tribune is not naming those who witnessed the shooting and its aftermath because the gunman is still at large.

On Tuesday afternoon, the mood outside King College Prep in North Kenwood was jubilant. The students at the elite high school had just finished final exams, classes had let out early and the winter weather was spectacular, tipping into the low 60s.

Hadiya and her best friend, both sophomores, headed toward a nearby Potbelly's, one of their favorite places to eat, the friend said. But on their way, at about 1:30 p.m., they ran into friends who invited them to Harsh Park, just a few blocks away from the school.

"We were like, 'OK, sure, who doesn't want to walk around outside when it's nice?'" Hadiya's best friend said.

As they walked, the group of about a dozen teens discussed which tests had been easy and which had been hard. Some were volleyball players from King and others went to another high school, Hadiya's friends said.

Once they reached the small, residential park, Hadiya and others headed to a playground where they swung in the warm air while chatting about their plans for the summer and their 16th birthdays. Hadiya's best friend said she and Hadiya had talked about a joint sweet 16 party and possibly wearing matching gold heels and colorful outfits to celebrate the occasion.

But then a sudden downpour drove the teens beneath a metal awning where Hadiya played "Misery Business" by the band Paramore on her cellphone and others tweeted and texted as they waited out the rain.

Minutes later, however, Hadiya's best friend said she saw a gun-wielding male scale the park fence and approach the group. She yelled a warning to her friends, but the gunman opened fire, spraying the teens with bullets as they ran.

Hadiya was struck in the back about 2:20 p.m. One teen suffered a graze wound to an ankle. And a 17-year-old junior at King was hit in the left leg below the calf, according to his mother, who said he was trying to protect his girlfriend.

The teen's mother said that her son, an Eagle Scout, didn't realize he had been shot. He felt a little sting in his leg before he looked down and saw blood.

A nurse who lived in the area and was leaving her home at the time of the shooting ran to the group, applied a makeshift tourniquet to the teen shot in the leg and called 911. The nurse instructed the others on how to take care of Hadiya.

In the meantime, another friend of Hadiya's ran to a nearby Subway restaurant, burst through the door and asked to borrow a man's phone to call 911.

But by then wailing police cars whizzed by toward the park, so she called her mom.

"I told her to stay put," her mother told the Tribune. "I can't even tell you, as a mother, what it's like to get that phone call. My goal was to get to my child."

The friend said that she and Hadiya met freshman year at a high school dance camp. The friend joined poms, while Hadiya became a majorette, traveling to Washington last month to perform in a competition with her squad during President Barack Obama's inauguration weekend.

The girls were nicknamed "twins" by classmates and teachers because of their similar appearance, the friend said. From haircut to smile to skin tone to personalities, the two were hard to tell apart, she said.

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Mexico rescue workers search for survivors after Pemex blast kills 25

MEXICO CITY (Reuters) - Emergency services worked into the early hours of Friday to find people trapped in rubble under state oil company Pemex's headquarters in Mexico City after an explosion that killed at least 25 people and injured more than 100.

Scenes of confusion and chaos at the downtown tower dealt yet another blow to Pemex's image as Mexico's new president courts outside investment for the 75-year-old monopoly.

Search and rescue workers picked through debris, and investigators sifted through shattered glass and concrete at the bottom of the building to try to find what caused the blast. It was not clear how many might still be trapped inside.

Pemex, a symbol of Mexican self-sufficiency as well as a byword in Mexico for security glitches, oil theft and frequent accidents, has been hamstrung by inefficiency, union corruption and a series of safety failures costing hundreds of lives.

Thursday's blast at the more than 50-storey skyscraper that houses administrative offices followed a September fire at a Pemex gas facility near the northern city of Reynosa which killed 30 people. More than 300 were killed when a Pemex natural gas plant on the outskirts of Mexico City blew up in 1984.

Eight years later, about 200 people were killed and 1,500 injured after a series of underground gas explosions in Guadalajara, Mexico's second biggest city. An official investigation found Pemex was partly to blame.

Pemex initially flagged Thursday's incident as a problem with its electricity supply and then said there had been an explosion. But it did not give a cause for the blast.

A government official, speaking on condition of anonymity, said a preliminary line of inquiry suggested a gas boiler had blown up in a Pemex building just to the side of the main tower. However, he stressed nothing had been determined for sure.

Others at the scene said gas may have caused the blast.

Not long after the blast, President Enrique Pena Nieto was at the scene, vowing to discover how it happened.

"We will work exhaustively to investigate exactly what took place, and if there are people responsible, to apply the force of the law on them," he told reporters before going to visit survivors in hospital.

Shortly after midnight, at least 46 victims were still being treated in hospital, the company said.

Pemex said the blast would not affect operations, but concern in the government was evident as top military officials, the attorney general and the energy minister joined Interior Minister Miguel Angel Osorio Chong for a late news conference.

"I have issued instructions to the relevant authorities to convene national and international experts to help in the investigations," Osorio Chong said. He later noted that the number of casualties could still climb.

Whatever caused it, the deaths and destruction will put the spotlight back on safety at Pemex, which only a couple of hours before the explosion had issued a statement on Twitter saying the company had managed to improve its record on accidents.

Nieto has said he is giving top priority to reforming the company this year, though he has yet to reveal details of the plan, which already faces opposition from the left.

Both Pena Nieto and his finance minister were this week at pains to stress the company will not be privatized.

(Editing by Louise Ireland)

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German jitters hit European shares, euro

LONDON (Reuters) - European shares fell for a second straight day and the euro halted its recent rally, as weak German retail sales and poor earnings at its biggest bank added to investors' nerves after a shock fourth quarter contraction in the U.S. economy.

Data on Wednesday showed U.S. GDP slipped back 0.1 percent, though the country's central bank, the Federal Reserve, indicated the pullback was likely to be brief as it repeated its pledge to continue providing support.

European shares, which have surged 3.7 percent this month, took their biggest daily hit of the year on Wednesday, and a plunge in German retail sales, stagnant French consumer spending and a huge quarterly loss at Deutsche Bank dashed hopes of a quick rebound.

The mood blackened through the morning, leaving London's FTSE 100 <.ftse>, Paris's CAC-40 <.fchi> and Frankfurt's DAX <.gdaxi> down 0.3 to 0.6 percent by 5:15 a.m. ET. The MSCI world share index <.miwd00000pus> was down 0.1 percent despite shares in Asia posting modest gains. <.l><.eu><.n/>

"Perhaps the German retail sales have contributed a little bit, but we knew that Q4 was weak, so I would it attribute it more to earnings news," said Chris Scicluna, an economist at Daiwa Capital Markets.

"The Deutsche Bank loss does look to be on the sizable side. There has clearly been some mismatch between financial markets and the real economy so that does lend itself to a bit of a pullback."

In the currency market, the German jitters also put the euro under pressure and halted its recent 4 percent rally.

It had started to show signs of stabilization by mid-morning but remained well short of Wednesday's 14-month high of $1.3588 at $1.3560. The Federal Reserve's promise of continued support was widely expected to mitigate the fall, however, by keeping downward pressure on the dollar.

Evidence of that pull was seen as the dollar slipped 0.2 percent against the yen to 90.88 yen, having hit its strongest level since 2010 on Wednesday. Market focus now turns to Friday's monthly U.S. employment report.

PULL-BACK

The nervy market atmosphere also pushed up Spanish and Italian government bond yields as some investors switched from higher-yielding debt into German Bunds.

Spanish 10-year yields rose 10 basis points on the day to 5.31 percent, while equivalent Italian debt rose 10 bps to 4.38 percent.

German Bund futures were half a point higher, spurred on by the Fed's determination to maintain its policy of stimulus for the U.S. economy.

The downbeat European mood also began to creep into commodities markets, though investors seemed broadly happy to stick with the bigger picture view that the global economy is gradually regaining strength.

Risky assets such as equities, commodities, and high-yield debt have risen sharply in the past six months as growth in emerging economies like China has picked up and fears of a collapse of the euro have been calmed by the European Central Bank.

Spot gold drifted down to $1,675 an ounce, having hit a one-week high on Wednesday, while oil prices inched down 23 cents to just under $115 per barrel, still well above their starting price this year of $110 a barrel.

And there was no sign of weakness in growth-attuned copper as it marched to its highest level since October.

"We are still quite confident about a Chinese copper demand recovery in the first half, and we have seen evidence of pent-up demand, so the downside risk is limited," said Henry Liu, head of commodity research at Mirae Asset Securities in Hong Kong.

"But exceeding $8,500 this year might be a challenge, because domestic inventories are quite high," he added.

(Additional reporting by Richard Hubbard and Melanie Burton in Singapore; Editing by Will Waterman)

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2 NFL seasons since agreement, still no HGH tests

NEW ORLEANS (AP) — Count Baltimore Ravens defensive end Arthur Jones among those NFL players who want the league and the union to finally agree on a way to do blood testing for human growth hormone.

"I hope guys wouldn't be cheating. That's why you do all this extra work and extra training. Unfortunately, there are probably a few guys, a handful maybe, that are on it. It's unfortunate. It takes away from the sport," Jones said.

"It would be fair to do blood testing," Jones added. "Hopefully they figure it out."

When Jones and the Ravens face the San Francisco 49ers in the Super Bowl on Sunday, two complete seasons will have come and gone without a single HGH test being administered, even though the league and the NFL Players Association paved the way for it in the 10-year collective bargaining agreement they signed in August 2011.

Since then, the sides have haggled over various elements, primarily the union's insistence that it needs more information about the validity of a test that is used by Olympic sports and Major League Baseball. HGH is a banned performance-enhancing drug that is hard to detect and has been linked to health problems such as diabetes, cardiac dysfunction and arthritis.

"If there are guys using (HGH), there definitely needs to be action taken against it, and it needs to be out of (the sport)," Ravens backup quarterback Tyrod Taylor said. "I'm pretty sure it'll happen eventually."

At least two members of Congress want to make it happen sooner, rather than later.

House Oversight and Government Reform Committee chairman Darrell Issa, a California Republican, and ranking Democrat Elijah Cummings of Maryland wrote NFLPA head DeMaurice Smith this week to chastise the union for standing in the way of HGH testing and to warn that they might ask players to testify on Capitol Hill.

Smith is scheduled to hold his annual pre-Super Bowl news conference Thursday.

"We have cooperated and been helpful to the committee on all of their requests," NFLPA spokesman George Atallah said. "If this is something they feel strongly about, we will be happy to help them facilitate it."

Several players from the Super Bowl teams said they would be willing to talk to Congress about the issue, if asked.

"I have nothing to hide. I can't speak for anyone else in football, but I would have no problem going," said Kenny Wiggins, a 6-foot-6, 314-pound offensive lineman on San Francisco's practice squad.

But Wiggins added: "There's a lot more problems in the U.S. they should be worried about than HGH in the NFL."

That sentiment was echoed by former New York Giants offensive lineman Shaun O'Hara, who now works for the NFL Network.

"Do I think there is an HGH problem in the NFL? I don't think there is. Are there guys who are using it? I'm sure there are. But is it something Congress needs to worry about? No. We have enough educated people on both sides that can fully handle this. And if they can't, then they should be fired," said O'Hara, an NFLPA representative as a player. "I include the union in that, and I include the NFL. There is no reason we would need someone to help us facilitate this process."

Issa and Cummings apparently disagree.

In December, their committee held a hearing at which medical experts testified that the current HGH test is reliable and that the union's request for a new study is unnecessary. Neither the league nor union was invited to participate in that hearing; at the time, Issa and Cummings said they expected additional hearings.

"We are disappointed with the NFLPA's remarkable recalcitrance, which has prevented meaningful progress on this issue," they wrote in their recent letter to Smith. "We intend to take a more active role to determine whether the position you have taken — that HGH is not a serious concern and that the test for HGH is unreliable — is consistent with the beliefs of rank and file NFL players."

Atallah questioned that premise.

"To us, there is no distinction between players and the union. ... The reason we had HGH in our CBA is precisely because our players wanted us to start testing for it," Atallah said. "We are not being recalcitrant for recalcitrance sake. We are merely following the direction of our player leadership."

Wiggins and other players said no one can know for sure how much HGH use there is in the league until there is testing — but that it's important for the union's concerns about the test to be answered.

"The union decides what is best for the players," said Ravens nose tackle Ma'ake Kemoeatu, who said he would be willing to go to Capitol Hill.

"I feel like some guys are on HGH," said 49ers offensive lineman Anthony Davis, who would rather not speak to Congress. "I personally don't care if there is testing. It's something they have to live with, knowing they cheated, and if they get (outplayed) while they're on it, it's a hit on their pride."

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Follow Howard Fendrich on Twitter at http://twitter.com/HowardFendrich

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