Afghan President Hamid Karzai attends the Loya Jirga, or grand assembly, in Kabul on Sunday. The assembly approved a deal that would allow the U.S. to keep troops in Afghanistan beyond 2014. But Karzai has not yet agreed to sign the deal. Rahmat Gul/AP hide caption

itoggle caption Rahmat Gul/AP

Ahead of an expected — and repeatedly delayed — news conference, an Afghan worker leaves the area where Secretary of State John Kerry and Afghan President Hamid Karzai were expected to speak Saturday in Kabul. AFP/Getty Images hide caption

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Afghan President Hamid Karzai said in a nationally televised speech on Sunday that the U.S. and the Taliban are holding talks. Ahmad Jamshid/AP hide caption

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Afghan President Hamid Karzai and President Obama during Friday's news conference at the White House. Jim Lo Scalzo/EPA /LANDOV hide caption

itoggle caption Jim Lo Scalzo/EPA /LANDOV

President Barack Obama is greeted by Lt. Gen. Curtis "Mike" Scaparrotti, and U.S. Ambassador to Afghanistan Ryan Crocker as he steps off Air Force One at Bagram Air Field in Afghanistan earlier today (Tuesday, May 1). Charles Dharapak/AP hide caption

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Afghan President Hamid Karzai speaking earlier today (May 31, 2011) at the Presidential Palace in Kabul. Shah Marai /AFP/Getty Images hide caption

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