Former U.S. Sen. Chuck Hagel (R-NE) (L) speaks during a personnel announcement in the East Room at the White House as Deputy National Security Advisor for Homeland Security and Counterterrorism John Brennan looks on January 7, 2013 in Washington, DC.U.S. President Barack Obama has nominated Hagel for the next Secretary of Defense and Brennan to become the new director of the CIA.