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Our friend Liz Halloran reports that Mitt Romney "might just win in the South" today as Republicans go to the polls in Alabama and Mississippi to pick between the four remaining candidates for the GOP presidential nomination.

As she writes:

Hip replacements can do a lot of good, but they don't last forever.

To lower the failure rates of artificial hips, particularly in younger people, doctors have tried using metal-on-metal hip joints with larger heads.

But those metal-on-metal hips, which were supposed to be more durable, have their own problems.

"Strange things are happenin' to me" a bewitched Mitt Romney said recently to a crowd of Mississippi supporters. The former Massachusetts governor is right: Strange things do happen to folks, especially national political candidates, when they talk to us Southerners. They start drawling and twanging, trying to sound like us. Sometimes, they're mocking us; sometimes they're just trying to be friendly. We know the difference.

President Bashar Assad's forces have placed landmines "near the borders with Lebanon and Turkey" along routes used by refugees trying to flee the fighting inside Syria, the watchdog group Human Rights Watch reported today.

Saying it has collected "reports and confirmations from witnesses and Syrian deminers," the organization called such actions "unconscionable."

There was a 1.1 percent increase in retail sales in February from January, the Census Bureau says. It was the largest rise in five months, Reuters reports.

And the gain didn't come just become rising gas prices led to a 3.3 percent increase in the value of gasoline sales. According to The Associated Press, retail sales rose 0.8 percent excluding gasoline.

Buford is an old railroad town which was once home to thousands, but now has a population of one. Don Sammons plans to retire from managing his businesses and move. Up for auction next month:a gas station, convenience store, garage and a home.

Pizza chefs from around the world are gathered to compete in events like: largest dough stretch, fastest pizza-box folding and freestyle acrobatic dough-tossing.

(As news comes in from Afghanistan about the killings of 16 civilians, allegedly by a U.S. soldier, we'll update this post.)

There are fears that the killing of 16 Afghan civilians on Sunday, reportedly by a U.S. Army staff sergeant who gunned down the men, women and children in cold blood, will inflame the people of that nation.

Alabama and Mississippi will play an unaccustomed high profile role Tuesday as each candidate for the Republican presidential nomination looks to voters in those states to give his candidacy a boost towards inevitability, if you're Mitt Romney, or just keep their candidacies alive if you're Rick Santorum or Newt Gingrich.

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When an American soldier reportedly walked through two villages in southern Afghanistan and methodically killed 16 civilians, including children, it caused an uproar from Kabul to Washington, D.C. Now, let's get a view from where the killings happened - Kandahar. I first met Ehsan Ullah two years ago when I reported on a Canadian-funded girls' school that he runs in that city.

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It's MORNING EDITION from NPR News. I'm Steve Inskeep.

RENEE MONTAGNE, HOST:

And I'm Renee Montagne.

One analyst calls last weekend's massacre in Afghanistan an enormous gift to the Taliban. It is the latest of several incidents that amount to lost battles in a political war.

Mississippi and Alabama hold Republican primaries Tuesday. Former Massachusetts Governor Mitt Romney has campaigned lightly in the two states. But former Pennsylvania Senator Rick Santorum and former House Speaker have both campaigned aggressively there.

What is remarkable is that those who bought bonds will get a tiny rate of return. Renee Montagne talks to David Wessel, economics editor of The Wall Street Journal, about what the results mean, who's buying Treasuries and how the borrowed funds are being spent.

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And today's last word in business is 50-50.

Those are the odds you'll ever see your lost cell phone again. That's according to a study by a security firm, the people behind the Norton AntiVirus software. The company set up an experiment where they purposely lost smartphones in public areas, you know, elevators, shopping centers, airports, places you may have left your phone at some point.

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STEVE INSKEEP, HOST:

It's MORNING EDITION from NPR News. I'm Steve Inskeep.

RENEE MONTAGNE, HOST:

And I'm Renee Montagne.

The American soldier who allegedly shot and killed 16 men, women and children in two Afghan villages was from an Army base outside Tacoma, Washington. The Army/Air Force installation, Joint Base Lewis-McChord, is one of the biggest in the military.

It's also, as NPR's Martin Kaste reports, one of the most troubled.

(SOUNDBITE OF AIRCRAFT)

As China's political season gets underway, pictures of delegates to the National People's Congress wearing expensive suits and carrying designer handbags have gone viral. It's estimated the richest 70 Chinese legislators have more wealth than the entire U.S. Congress.

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We're following news this morning of more killings in the Syrian city of Homs. That's the city where rebel neighborhoods came under artillery fire for weeks and where two Western journalists were killed. Rebels later retreated, but residents and activists say pro-government militias have massacred dozens of civilians, mainly women and children. NPR's Kelly McEvers is following this story from Beirut.

And, Kelly, what evidence you have?

U.S. officials have not released the name of the U.S. soldier accused of killing some 16 Afghan civilians in southern Afghanistan over the weekend. The shootings come as anti-Americanism already is boiling over in Afghanistan after U.S. troops burned Qurans last month.

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STEVE INSKEEP, HOST:

Here's one thing that many people mean when they say Washington is broken. They may mean that politicians from different parties seem unable or totally unwilling to compromise, and many voters hate that. And yet many voters also hate it if politicians from their own party should compromise with the other side. That could be considered giving in. NPR's science correspondent Shankar Vedantam joins us regularly to talk about social science research, and he's found some that relates to this political problem. Hi, Shankar.