U.S. President Barack Obama (C) and French President Francois Hollande (R) smile next to World War II veteran Kenneth "Rock" Merritt as they arrive for the official lunch at Benouville Castle, June 6, 2014. World leaders and veterans gathered by the beaches of Normandy on Friday to mark the 70th anniversary of World War Two's D-Day landings. REUTERS/Regis Duvignau (FRANCE - Tags: POLITICS ANNIVERSARY CONFLICT)