Former Sen. Chuck Hagel, R-Neb., salutes Marine Corp. Lt. Gen. Tom Waldheuser as he arrives at the Pentagon to be sworn-in as Secretary of Defense, in Arlington, Va., Wednesday, Feb. 27, 2013. Waldheuser will be Hagel's Senior Military Assistant. (AP Photo/Cliff Owen)
Former Sen. Chuck Hagel, R-Neb., right, and his wife Lilibet, arrive at the Pentagon where Hagel will be sworn-in as Secretary of Defense, in Arlington, Va., Wednesday, Feb. 27, 2013. (AP Photo/Cliff Owen)
Chuck Hagel was to sworn in as Secretary of Defense on Wednesday Feb. 27, 2013. | AP file photo
WASHINGTON (AP) — Chuck Hagel took charge Wednesday of the Defense Department with deep budget cuts looming and Republican opponents still doubtful that he’s up to the job. He took the oath of office as Secretary of Defense at the Pentagon and was expected to …