Rice has conceded in private meetings with lawmakers that her initial account — that a spontaneous demonstration over an anti-Muslim video produced in the U.S. triggered the attack — was wrong, but she has insisted she was not trying to mislead the American people. Information for her account was provided by intelligence officials.
Hagel, a former Republican senator from Nebraska, is a Vietnam veteran, served two terms in the Senate and was a senior member of the Foreign Relations Committee. Obama and Hagel became close while they served in the Senate and traveled overseas together. Hagel has been critical of his party since leaving the Senate in 2008, saying the GOP had moved too far right.