Former Nebraska Republican Sen. Chuck Hagel, President Barack Obama's choice for defense secretary, waves as he arrives on Capitol Hill in Washington, Thursday, Jan. 31, 2013, to testif

 

              Former Nebraska Republican Sen. Chuck Hagel, President Barack Obama
Former Nebraska Republican Sen. Chuck Hagel, President Barack Obama's choice for defense secretary, waves as he arrives on Capitol Hill in Washington, Thursday, Jan. 31, 2013, to testify before the Senate Armed Services Committee hearing on his nomination. (AP Photo/Susan Walsh)