FILE - In this Saturday, May 31, 2014 file photo, President Barack Obama shakes hands with Bob Bergdahl as Jani Bergdahl stands at left, during a news conference in the Rose Garden of the White House in Washington about the release of their son, U.S. Army Sgt. Bowe Bergdahl. The soldier went missing from his outpost in Afghanistan in June 2009 and was released from Taliban captivity on May 31, 2014 in exchange for five enemy combatants held in the U.S. prison in Guantanamo Bay, Cuba. (AP Photo/Carolyn Kaster)