U.S. President Barack Obama talks about his administration's counter-terrorism policy at the National Defense University at Fort McNair in Washington, May 23, 2013. REUTERS/Larry Downing (UNITED ... more 

U.S. President Barack Obama talks about his administration's counter-terrorism policy at the National Defense University at Fort McNair in Washington, May 23, 2013. REUTERS/Larry Downing (UNITED STATES - Tags: POLITICS MILITARY) less