Defense Secretary Leon Panetta, left, and Joint Chiefs Chairman Gen. Martin Dempsey participate in a joint news conference at the Pentagon, Thursday, Oct. 25, 2012. Panetta said the U.S. military did not intervene during the attack on the U.S. Consulate in Libya last month because it was over before the U.S. has sufficient information on which to act. (AP Photo/Carolyn Kaster)

Photo by: Carolyn Kaster

Defense Secretary Leon Panetta, left, and Joint Chiefs Chairman Gen. Martin Dempsey participate in a joint news conference at the Pentagon, Thursday, Oct. 25, 2012. Panetta said the U.S. military did not intervene during the attack on the U.S. Consulate in Libya last month because it was over before the U.S. has sufficient information on which to act. (AP Photo/Carolyn Kaster)