President Barack Obama walks down the stairs from Air Force One upon arrival at Schiphol Amsterdam Airport, Netherlands, Monday March 24, 2014. Obama will attend the two-day Nuclear Security Summit in The Hague. (AP Photo/Peter Dejong, POOL)
President Barack Obama waves from Air Force One upon arrival at Schiphol Amsterdam Airport, Netherlands, Monday March 24, 2014. Obama will attend the two-day Nuclear Security Summit in The Hague. (AP Photo/Peter Dejong, POOL)