Al Qaeda leader Osama bin Laden addresses a news conference in Afghanistan in this May 26, 1998 file photo. Bin Laden urged European nations in an new audio tape aired on September 25, 2009 to withdraw their troops from Afghanistan. Reuters Pictures logo Reuters Pictures 29 months ago

Al Qaeda leader Osama bin Laden addresses a news conference in Afghanistan in this May 26, 1998 file photo. Bin Laden urged European nations in an new audio tape aired on September 25, 2009 to withdraw their troops from Afghanistan.