While the signs so far point to suicide, there aren't yet any really revealing clues to why former NFL star Junior Seau apparently killed himself Wednesday.

About all there is so far is a hint that, in retrospect, Seau may have said some goodbyes. The San Diego Union-Tribune reports that:

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Earlier this week, President Barack Obama and Afghan President Hamid Karzai signed a strategic partnership agreement in the Afghan capital Kabul. The deal put a spotlight on a future Afghanistan that does not include a massive number of American and NATO troops.

The fate of Chinese legal activist Chen Guangcheng remains uncertain one day after he left the U.S. embassy in Beijing.

Former NFL linebacker Junior Seau was found dead of a gunshot wound to the chest, in what authorities believe is an apparent suicide. His body was discovered at his home in Oceanside, Calif., Wednesday. Seau was 43.

Steve Inskeep talks to Steve Coll about his new book, Private Empire: ExxonMobil and American Power. In it, Coll delves into the business model of one of the country's largest and most profitable corporations. He explores how the Exxon Valdez oil spill in 1989 shaped the culture at the company for years to come.

Newt Gingrich officially pulled out of the Republican presidential race Wednesday. So what happens to the leftover T-shirts and campaign buttons?

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Last night at the Sotheby's auction house in New York, there was something to scream about. Our last word in business is: "The Scream."

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As we reported yesterday, the Expressionist masterpiece by Edvard Munch went up for sale. There are four versions of this composition, but just one had been privately held by an heir of one of Munch's patrons.