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Men who eat a lot of fatty foods have lower quality sperm than men who avoid them, a new study found.

Saturated fat, the stuff in meat and dairy foods, was associated with lower sperm counts. The men eating the most saturated fat had 35 percent fewer sperm than men eating the least.

On the bright side, the men who ate more omega-3 fats — the kind found in fish and some plants — had slightly more sperm that were correctly formed than their brethren who ate less.

Rick Santorum won two Southern state GOP presidential primaries Tuesday, embarrassing Mitt Romney who had predicted he'd take one.

Second-place finisher Newt Gingrich vowed to fight on to Tampa, tag-teaming Romney along with Santorum. The "three-way dynamic," as he put it, is a winner for Gingrich and, perhaps, his dream of deal-making at the convention, and for Romney, too, whose Southern result could have been much worse if he'd been posting up against Santorum alone.

Good morning.

Our early headlines:

-- 'Tragic Day For All Of Belgium': 22 Children Killed In Bus Crash.

-- In Afghanistan, Panetta Says Mission Continues.

Repair crews are working this morning to restore power to thousands of homes and businesses in Boston's Back Bay district, "after two transformers caught fire Tuesday night, knocking out power" and sending think black smoke billowing over the area, our colleagues at WBUR report.

Judges at a war crimes tribunal convicted Congolese warlord Thomas Lubanga of snatching children from the street and turning them into killers. A sentencing hearing will now be scheduled. Lubanga faces a maximum sentence of life imprisonment.

There's been a horrible traffic accident inside a Swiss tunnel. At least 28 people — 22 of them children mostly around the age of 12 — were killed Tuesday night when the bus they were in crashed.

At Camp Leatherneck in southern Afghanistan today, Defense Secretary Leon Panetta urged U.S. military personnel to not be deterred from their mission and continue "to make life difficult" for the Taliban and al-Qaida, says NPR's Larry Abramson, who is travelling with Panetta.

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STEVE INSKEEP, HOST:

March Madness has barely begun and a key figure in Georgetown basketball has suffered an injury. Team mascot Jack the Bulldog has torn the doggie version of his ACL. Jack's keeper tweeted the injury was likely from jumping on the couch.

The same general area of Japan that was devastated by an earthquake and tsunami almost exactly one year ago was rattled today by a 6.9 magnitude temblor that led authorities to warn of another possible tsunami along the nation's northeast coast. (Note at 7:42 a.m. ET: The U.S.

After another set of presidential contests the story remains much the same — pundits say former Massachusetts Gov. Mitt Romney remains the front runner in the race for the 2012 Republican presidential nomination, but former Pennsylvania Sen. Rick Santorum continues his strong challenge.

It is time for the much-winnowed field of Republican presidential contenders to shrink a little further. It is time for Newt Gingrich to bid adieu and wrap up his bid for the nomination.

Rick Santorum, who won the Alabama and Mississippi primaries on Tuesday, has proven himself the conservatives' favored alternative to front-runner Mitt Romney. He did this by winning the voters who mattered most in the deep-dyed red states of Alabama and Mississippi, the white evangelical "born again" voters who cast more than two-thirds of the vote in each state.

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RENEE MONTAGNE, HOST:

Britons are struggling with the issue of faith in the workplace. Two British women, one an airline employee and the other, a nurse, were suspended or barred from doing their jobs because they wore crucifixes at work. Now the two are taking their case to the European Court of Human Rights.

To find out how this debate is playing out in the UK, we called Lucy Kellaway, she's a columnist for the Financial Times. And she joined us from London.

Lucy, good to talk to you again.

LUCY KELLAWAY: Hello.

On the popular movie-rating website Rotten Tomatoes, Eddie Murphy's latest film A Thousand Words received zero positive reviews.

It was a big night for Republican presidential candidate Rick Santorum. He won the primaries in Mississippi and Alabama. Mitt Romney was running third in both states.

Wal-Mart announced an online video partnership with most of the major Hollywood movie studios on Tuesday. The idea is to make it easier for people to legally watch and share movies digitally.

Americans and Britons share the same language, yet transatlantic visitors to the London Olympics might struggle to understand what's going on. The games are in East London, home of rhyming slang, a form of linguistic gymnastics. It was pioneered in the nineteenth century by Cockneys as a code to confuse snooping policemen.

Even as the job market is improving and other indicators are positive, the Federal Reserve wants to keep interest rates super low until 2014. The Fed reaffirmed that policy Tuesday. That's likely because the economy is still growing slowly — not nearly fast enough to sustain consistent, long-term job creation.

On Tuesday, President Obama received the endorsement of the nation's largest organized labor organization, the AFL-CIO. Collective bargaining has been under attack in several states, which has drained union resources. But labor leaders say that's made them more determined than ever to keep Obama in the White House.

Far right politician Marine Le Pen is officially in the French presidential race after getting the required 500 mayors' signatures to appear on the ballot. She launched her campaign in a small town in the north of France, a poor region where many see globalization and immigration as France's biggest problems.

Over the past few years, authorities have arrested more than 200 gang members in an unexpected place: the tree-lined suburbs along the Hudson River in New York.

Drug traffickers with ties to the Bloods, the Latin Kings and other gangs have put down roots there. Authorities say they brought shootings and stabbings with them.

Middletown, N.Y., is 90 minutes northwest of the city. On West Main Street, you can find tidy brick buildings from the 1800s, a brew pub, and a restaurant that sells fresh mussels and escargot.

One thing that distinguishes most team sports is that the game is suddenly played differently at the end. Often, this adds to the fascination, too. Nothing, for example, gets a rise out of me like when the hockey goalie skates off the ice with a minute or so to go, his team down a goal, leaving an open net.

In championship soccer, tie games go to a shoot-out, which is totally alien with all that came before. Neat stuff.

The Islamist movement Hamas, which rules Gaza, is a house divided. Its leaders say there are divisions among the ranks as they try to grapple with where to push the movement: toward moderation or a continued commitment to armed resistance against Israel.

Omar Shaban, a Gaza-based political analyst, wonders where Hamas is headed in the next two to three years. He says the changes in the region after the Arab Spring not only shook the world, but they also forced groups like Hamas to reassess where they stand, in terms of old alliances and future direction.

Part of a series

Detroit automakers are creating thousands of new jobs amid a sales boom. And as they expand, their suppliers are racing to keep up, adding tens of thousands of new jobs.

At Bridgewater Interiors in Warren, Mich., for example, the pace is intense. Hundreds of union employees scurry to fill a growing list of orders. The factory floor is packed with stacks of foam cushions, seat covers and headrests.

The digital age has taken its toll on another long-held tradition: Encyclopaedia Britannica is going out of print and from now on will be all digital.

Its final printed product will be the 2010 edition, which The New York Times describes as a "a 32-volume set that weighs in at 129 pounds and includes new entries on global warming and the Human Genome Project."

With two wins in the Deep South, Mitt Romney could solidly establish himself as the inevitable GOP candidate. If you believe polls, that could very well happen in Mississippi and Alabama, which are holding nominating contests tonight.

Now, the polls are so close that Rick Santorum and Newt Gingrich could also pull together wins that keep their campaigns going.