U.S. President Barack Obama, center, walks to his motorcade vehicle as he arrives on Air Force One at Don Mueang International Airport in Bangkok, Thailand, Sunday, Nov. 18, 2012. (AP Photo/Carolyn Kaster)

Associated Press
U.S. President Barack Obama, center, walks to his motorcade vehicle as he arrives on Air Force One at Don Mueang International Airport in Bangkok, Thailand, Sunday, Nov. 18, 2012. (AP Photo/Carolyn Kaster)
U.S. President Barack Obama, center, walks to his motorcade vehicle as he arrives on Air Force One at Don Mueang International Airport in Bangkok, Thailand, Sunday, Nov. 18, 2012. (AP Photo/Carolyn Kaster)