Mark Memmott

Update at 1:17 p.m. ET. Support Afghanistan In 'Different Way':

During their meeting in the White House, President Francois Hollande, the new socialist leader of France, said he told President Obama that he was committed to withdrawing French troops from Afghanistan by the end of the year.

But, the AP reports, Hollande said he was committed to supporting Afghanistan in a "different way."

This was Obama's first meeting with Hollande.

The two leaders also said they wanted Greece to remain a part the European monetary union.

Among the key things to know about what's in the hundreds of pages of evidence and other materials related to the Feb. 26 shooting death of Florida teenager Trayvon Martin, which were released Thursday:

Facebook's much-publicized first sale of stock to the public started with a bang late this morning as the price per share jumped. But though the volume of shares sold was a record for an initial public offering, the stock's price gave up its gains as the day continued.

By the end of trading in the U.S., Facebook had settled right at the $38 initial offering price that had been set before shares went on sale.

President Obama has said "I don't bluff," when it comes to opposing any effort by Iran to develop nuclear weapons (which that nation says it is not trying to do). And, he told The Atlantic's Jeffrey Goldberg in March, "all options are on the table."