Article Photos: Defiant Clinton: US strengthening embassy security 5/11

Secretary of State Hillary Rodham Clinton, back to camera, prepares testify on Capitol Hill, Wednesday, Jan. 23, 2013, before Senate Foreign Relations Committee hearing on the deadly September attack on the U.S. diplomatic mission in Benghazi, Libya, that killed Ambassador Chris Stevens and three other Americans.  The committee's presiding Sen. Robert Menendez, D-N.J., is at right, the committee's ranking Republican Sen. Bob Corker, R-Tenn. is at left. (AP Photo/Pablo Martinez Monsivais)