File photo of U.S. General Allen speaking during U.S. Independence Day celebrations in Kabul

 
File photo of U.S. General Allen speaking during U.S. Independence Day celebrations in Kabul
U.S. General John Allen, commander of the North Atlantic Treaty Organization (NATO) forces in Afghanistan, speaks during U.S. Independence Day celebrations in Kabul, in this July 4, 2012 file photo. REUTERS/Mohammad Ismail/Files