
Afghan President Hamid Karzai addresses the 67th session of the United Nations General Assembly at U.N. headquarters Tuesday, Sept. 25, 2012. (AP Photo/Frank Franklin II)

** FILE ** In this July 17, 2012, file photo, Afghan President Hamid Karzai speaks in Kabul, Afghanistan. U.S. officials have settled on two main explanations for why Afghan security forces are turning their guns on their Western partners: infiltration by the Taliban and a U.S.-Afghan culture clash. Both causes suggest the problem may persist or worsen as American and other coalition forces shift further into an adviser role. (AP Photo/Ahmad Jamshid, File)

** FILE ** In this July 17, 2012, file photo, Afghan President Hamid Karzai speaks in Kabul, Afghanistan. U.S. officials have settled on two main explanations for why Afghan security forces are turning their guns on their Western partners: infiltration by the Taliban and a U.S.-Afghan culture clash. Both causes suggest the problem may persist or worsen as American and other coalition forces shift further into an adviser role. (AP Photo/Ahmad Jamshid, File)

**FILE** Afghan President Hamid Karzai speaks July 17, 2012, in Kabul, Afghanistan. (Associated Press)

Afghan President Hamid Karzai

Afghan President Hamid Karzai

Afghan President Hamid Karzai

Afghans offer Eid al-Fitr holiday prayers Sunday at a mosque in Kabul at the end of Ramadan. “The enemies of Muslims … during the holy month of Ramadan treated the nation of Afghanistan cruelly: bombs, explosions in mosques, suicide attacks in mosques,” President Hamid Karzai said. (Associated Press)

Afghans offer Eid al-Fitr holiday prayers Sunday at a mosque in Kabul at the end of Ramadan. “The enemies of Muslims … during the holy month of Ramadan treated the nation of Afghanistan cruelly: bombs, explosions in mosques, suicide attacks in mosques,” President Hamid Karzai said. (Associated Press)