President Barack Obama walks with Col. John C. Millard Marine One to board Air Force One, Saturday, Nov. 14, 2015, in Andrews Air Force Base, Md. The president is departing for a nine-day trip to Turkey, the Philippines and Malaysia for global security and economic summits. The global anxiety sparked by a series of deadly attacks in Paris by the Islamic State group has given new urgency to Obama&amp;#x2019;s upcoming talks with world leaders. Photo: AP Photo/Carolyn Kaster / AP