Director of National Intelligence James Clapper listens as he testifies on Capitol Hill in Washington, Tuesday, March 12, 2013, before the Senate Intelligence Committee hearing on worldwide threats. Clapper delivered the U.S. intelligence community's overview of global threats posed by terrorism, cyber attacks, weapons of mass destruction, the months-long civil war in Syria and the unsettled situation in post-Arab Spring nations. (AP Photo/Susan Walsh), APTOPIX