** FILE ** Libyans walk on the grounds of the gutted U.S. Consulate in Benghazi, Libya, after an attack that killed four Americans, including U.S. Ambassador J. Christopher Stevens, on Wednesday, Sept. 12, 2012. (AP Photo/Ibrahim Alaguri)

Photo by: Ibrahim Alaguri

** FILE ** Libyans walk on the grounds of the gutted U.S. Consulate in Benghazi, Libya, after an attack that killed four Americans, including U.S. Ambassador J. Christopher Stevens, on Wednesday, Sept. 12, 2012. (AP Photo/Ibrahim Alaguri)