Radio Green Earth on HD2

Wal-Mart remains under a cloud after The New York Times reported the retailers expansion in Mexico involved systematic bribes. To get a sense of how that might play out, Steve Inskeep talks to Peter Solmssen, a managing board member and general counsel for Siemens. The German engineering and electronics conglomerate was involved in its own bribery scandal.

South Sudan is the country that voted to break away from Sudan. They've been jostling for control of border zones, including oil fields. And just as the two sides were sitting down to negotiate, fighting broke out.

In a new report, the employment firm Challenger, Gray and Christmas predicts more jobs for teenagers this summer. While the jobs picture is improving, CEO John Challenger says teen hiring is still several years away from returning to pre-recession levels.

Two stories out of China — the escape of a blind dissident from house arrest and the corruption scandal involving a top politician and his family — have attracted international attention. But inside China, the picture is different. The government has successfully suppressed the story about the dissident, Chen Guangcheng, such that most Chinese have never even heard of him. The Communist Party has waged a smear campaign against the fallen official, Bo Xilai, whom citizens see as a loser in a power struggle, a corrupt politician or both.

In the second part of his interview, Steve Inskeep talks to author Robert Caro about the process he goes through in writing his biographies of Lyndon Baines Johnson. The Passage of Power is the fourth volume of Caro's massive biography of Johnson.

Republican Sen. Kelly Ayotte of New Hampshire is the latest politician to appear on the campaign trail with presumed Republican presidential nominee Mitt Romney. That's fueled speculation that Ayotte is being considered as a running mate.

More than 10 years ago, Norah Jones hit the national stage with her melancholic love song "Don't Know Why," in the process selling millions of copies of her debut album and becoming a Grammy winner.

But Jones' new album is different. She may sound like a fragile performer, but don't get her wrong: At 33, she's recorded a breakup album with attitude.

Microsoft is committing $300 million to the venture with Barnes & Noble. They are working to create a new subsidiary of the bookseller. The two companies are hoping to energize sales of the Nook tablet.

Clive Palmer says he wants to build Titanic II to sale from London to New York. Like the builder of the original, Palmer says, "It is going to be designed so it won't sink."

Peggy McAlpine wasn't happy when she lost her world record. The Scottish woman was 100 when she became the oldest person to paraglide. That title was recently taken away by an American woman. So at age 104, McAlpine took the the skies again and regained the record.