Obama advisers consider how terror list used

President Barack Obama pauses as he and first lady Michelle Obama greet marines during Christmas dinner at Anderson Hall on Marine Corps Base Hawaii in Kailua, Hawaii Friday, Dec. 25, 2009. The Obamas are in Hawaii for the holidays. (AP Photo/Alex Brandon)

December 26, 2009 7:33:02 PM PST
President Barack Obama's security teams briefed the vacationing president on threats facing the United States and he directed that heightened airport security measures remain in place as officials investigate a failed terror attack aboard a Detroit-bound plane.