Former U.S. Senator Chuck Hagel arrives at his confirmation hearing... Nieuwsfoto'sAankomst,Amerikaanse Senaatscommissie voor Defensie,Bovenlichaam,Capitol Hill,Chuck Hagel,Horizontaal,Kijken,Overheid,Politiek,Sam Nunn,Verenigde Staten,Voormalig,Washington DCPhotographer Collection: Getty Images News 2013 Getty ImagesWASHINGTON, DC - JANUARY 31: Former U.S. Senator Chuck Hagel (R-NE) (2nd L) arrives at his confirmation hearing to become the next secretary of defense before the Senate Armed Services Committee as former Senator Sam Nunn (D-GA) (L) looks on January 31, 2013 on Capitol Hill in Washington, DC. President Barack Obama nominated Hagel, a controversial choice as Hagel opposed former President George W. Bush and his own party on the Iraq War and upset liberals with his criticism of a gay ambassador, for which he later apologized. (Photo by Alex Wong/Getty Images)