File photo of then U.S. Army Gen. David Petraeus at event in the East Room of the White House

 
File photo of then U.S. Army Gen. David Petraeus at event in the East Room of the White House
Then U.S. Army Gen. David Petraeus talks at an event in the East Room of the White House in this April 28, 2011 file photo during U.S. President Barack Obama's announcement that then CIA Director Leon Panetta would be nominated as Secretary of Defense. REUTERS/Larry Downing