File photo of General Petraeus and his wife at a hearing in Washington

 
File photo of General Petraeus and his wife at a hearing in Washington
U.S. General David Petraeus, with his wife Holly seated behind him, testifies at his Senate Armed Services Committee confirmation hearing to become commander of U.S. forces in Afghanistan on Capitol Hill in this June 29, 2010 file photo. REUTERS/Kevin Lamarque/Files