Richard L. Armitage, deputy US secretary of state, testifies

UNITED STATES - MARCH 24: Richard L. Armitage, deputy US secretary of state, testifies in place of National Security Advisor Condoleezza Rice, before an independent commission investigating the attacks on Sept. 11, 2001 in Washington, DC on March 24, 2004. The commission says tension and miscommunication between Clinton White House officials and intelligence officers hindered efforts to get Osama bin Laden for years before the attacks of Sept. 11, 2001. (Photo by Jay Mallin/Bloomberg via Getty Images)