FILE - This Sept. 13, 2012 file photo shows a man walking in the rubble of the damaged U.S. consulate, after an attack that killed four Americans, including Ambassador Chris Stevens on the night of Tuesday, Sept. 11, 2012, in Benghazi, Libya. A retired general who was in the U.S. military’s operation center during the 2012 attack on the diplomatic outpost in Benghazi, Libya, said Thursday that Washington should have done more to respond during the battle. (AP photo/Mohammad Hannon, File)