Republican presidential candidate Mitt Romney makes comments on the killing of U.S. diplomatic officials in Benghazi, Libya, while speaking in Jacksonville, Fla., on Wednesday, Sept. 12, 2012. (AP Photo/Charles Dharapak)

Photo by: Charles Dharapak

Republican presidential candidate Mitt Romney makes comments on the killing of U.S. diplomatic officials in Benghazi, Libya, while speaking in Jacksonville, Fla., on Wednesday, Sept. 12, 2012. (AP Photo/Charles Dharapak)