President Barack Obama speaks at the National Counterterrorism Center in McLean, Va.,Thursday, Dec. 17, 2015. Joining him, from left are,, Vice President Joe Biden, Secretary of State John Kerry, Homeland Security Secretary Jeh Johnson, and FBI Director James Comey. The president said U.S. intelligence and counter-terrorism professionals dont have any specific, credible information suggesting a terrorist attack on the U.S. during the holidays. (AP Photo/Pablo Martinez Monsivais)
