Sen. John McCain, R-Ariz., ranking Republican on the Senate Armed Services Committee, speaks with reporters on Capitol Hill in Washington, Friday, Nov. 16, 2012, following a closed-door hearing of the Senate Intelligence Committee where former CIA Director David Petraeus testified on the Sept. 11, 2012 attack in Libya. (AP Photo/Cliff Owen)

Photo by: Cliff Owen

Sen. John McCain, R-Ariz., ranking Republican on the Senate Armed Services Committee, speaks with reporters on Capitol Hill in Washington, Friday, Nov. 16, 2012, following a closed-door hearing of the Senate Intelligence Committee where former CIA Director David Petraeus testified on the Sept. 11, 2012 attack in Libya. (AP Photo/Cliff Owen)