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A U.S. soldier is in custody after he allegedly killed 16 Afghan villagers Sunday. The incident is one more blow to an already fragile relationship between the United States and Afghanistan. There are also questions of what the incident will do to the U.S.strategy in Afghanistan.

Japan is far from back to normal, after an earthquake, tsunami and nuclear disaster devastated the northeastern part of the country a year ago. U.S. Ambassador to Japan John Roos talks to Steve Inskeep about his latest visit to the hard-hit region of Tohoku.

Americans have worked for years to position themselves as protectors of Afghans against murderous insurgents. But on Sunday, a U.S. Army sergeant surrendered after a shooting rampage that left 16 people killed — including women and children.

During March Madness, there's no shortage of options to watch basketball games. Fans can watch on their TVs at home or stream it on a computer at work. But the hot ticket this year is streaming it on a smartphone.

China is buying more abroad than it sells. February marked the largest trade deficit for China in at least a decade. Imports outpaced exports by $31.5 billion.

No need to be stingy with spices. Research from Penn State finds heavily spiced meals — think chicken curry with lots of turmeric, or desserts rich in cinnamon and cloves — may do the heart good.

"Elevated triglycerides are a risk factor for heart disease," explains researcher Sheila West.

Her study found that a spicy meal helps cut levels of triglycerides, a type of fat, in the blood — even when the meal is rich in oily sauces and high in fat.

Here's another good reason to lose weight: It might benefit your friends, family and co-workers. Such altruism might be just the final "nudge" some of us need.

Researchers are finding that the friends and family of obese and overweight individuals who lose weight lost weight themselves, and sometimes a lot of it. Dr. John Morton, who directs Bariatric Surgery at Stanford Hospital & Clinics, calls obesity a "family disease."

Seven years ago, when journalist Bryce Hoffman started covering the Ford Motor Co. for The Detroit News, he knew he was either witnessing the end of an American icon or its resurrection.

The National Academy of Engineering in Washington, D.C., once asked its members to pick the greatest engineering achievement ever.

Their choice? The electrification of the country through what's known as "the grid."

Ernest Moniz, director of the Energy Institute at MIT, says they were right on the money.

"That reflects what an amazing machine this is, spread out geographically, always having to balance demand and supply because electricity is not stored," he says.

Apple's new iPad goes on sale this Friday, the latest version of a wildly popular product from an iconic company. In the past couple of months, though, Apple has come under criticism for working conditions in Chinese factories that help build iPads.

A New York Times investigation focused on an explosion at an Apple supplier factory last May. In December, another explosion struck a different Apple supplier factory in Shanghai.

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Economists say many industries are looking up this year. But perhaps none has a better outlook than the energy sector.

New drilling technologies and rising fuel prices have generated a boom in drilling — and lots of high-paying jobs for people with the skills to work in the oil patch. On some college campuses, companies are so eager to find petroleum engineers that they are offering jobs to students even before they have graduated.

There's a man in Phoenix with a political playbook that has become valuable. So valuable, the Obama campaign believes it could help clinch the president's re-election.

Phoenix City Council Member Daniel Valenzuela is a fourth-generation Mexican-American. Last year, he won a seat on the Phoenix City Council in a traditionally Republican district, and he did it by increasing Latino voter turnout by 488 percent.

Round 8 of Three-Minute Fiction is open. Author Luis Alberto Urrea, the new judge, is on board and ready to read. The challenge this round: The story must begin with the sentence, "She closed the book, placed it on the table, and finally decided to walk through the door." As always, the story must be 600 words or fewer. To submit a story, go to npr.org/threeminutefiction.

Transcript

GUY RAZ, HOST:

Let's now turn to news overseas and a story we've been following today out of Afghanistan. An American soldier is in custody after allegedly walking out of a military base in southern Afghanistan and opening fire on nearby houses. At least 16 people, including several children, were shot. Now, just a few hours ago, the acting American ambassador to Afghanistan, James Cunningham, spoke about the incident.

Pastor Fred Luter has led the Franklin Avenue Baptist Church, the largest Southern Baptist church in New Orleans, for 25 years. He recently announced that he is seeking to become the first African-American president of the Southern Baptist Convention. Pastor Fred Luter is seeking to become the first African-American president of the organization.

Julius Rosenwald and Booker T. Washington came from vastly different backgrounds.

Rosenwald, president of Sears, Roebuck and Co., was one of the richest men in America; Washington rose out of slavery to become a civil rights leader. But their meeting led eventually to the construction of thousands of schools for black children in the segregated South.

Stephanie Deutsch tells the story of their friendship in her new book You Need a Schoolhouse: Booker T. Washington, Julius Rosenwald, and the Building of Schools for the Segregated South.

Philadelphia hosted the world's oldest and largest indoor flower show this week.

Since 1829, the Philadelphia International Flower Show has attracted gardeners looking for ideas they can try at home. But in an effort to attract more than just gardeners, the show modernized this year.

"We cannot just have exhibits, and [have] people come to look at exhibits. That's old-school," said Drew Becher, the new president of the Pennsylvania Horticultural Society. "Museums are getting away from that. We have got to be interactive."

This week, more than 2,000 bands will perform live as part of the South by Southwest music festival in Austin, Texas — and each will hope to stand out somehow. It's one thing to play SXSW, but another to generate excitement.

Transcript

LINDA WERTHEIMER, HOST:

This past week, five Irish immigrant laborers were laid to read in Philadelphia, 180 years after their death. From member WHYY, Peter Crimmins reports they were part of a forgotten railroad work crew that was buried in a mass grave under the very railroad tracks they helped construct.

(SOUNDBITE OF SONG, "AMAZING GRACE")

Former Pennsylvania Sen. Rick Santorum won Kansas' Republican caucuses Saturday. Neither Mitt Romney nor Newt Gingrich spent any time campaigning in the state. Kansas Public Radio's Stephen Koranda reports.