U.S. President Donald Trump and French President Emmanuel Macron, left, greet a U.S war veteran during a ceremony to mark the 75th anniversary of D-Day at the Normandy American Cemetery in Colleville-sur-Mer, Normandy, France, Thursday, June 6, 2019. World leaders are gathered Thursday in France to mark the 75th anniversary of the D-Day landings. (Ian Langsdon/POOL via AP), APTOPIX