Senate Homeland Security Committee Chairman Sen. Joseph Lieberman, I-Conn. listens at right, as the committee's ranking Republican, Sen. Susan Collins, R-Maine speaks during a news conf

 

              Senate Homeland Security Committee Chairman Sen. Joseph Lieberman, I-Conn. listens at right, as the committee
Senate Homeland Security Committee Chairman Sen. Joseph Lieberman, I-Conn. listens at right, as the committee's ranking Republican, Sen. Susan Collins, R-Maine speaks during a news conference on Capitol Hill in Washington, Monday, Dec. 31, 2012, to discuss the committee's report on the security deficiencies at the temporary U.S. Mission in Benghazi, Libya. (AP Photo/Susan Walsh)