FILE - In this Wednesday, Sept. 12, 2012 file photo, a man walks on the grounds of the U.S. consulate in Benghazi, Libya, after an attack that killed four Americans, including Ambassador Chris Stevens. The attacks against U.S. diplomatic targets appear part of wider power plays by Salafis and other extremists to challenge the leadership struggling for stability in places such Egypt and Libya. (AP Photo/Ibrahim Alaguri, File)
