PARIS (Reuters) - French President Emmanuel Macron used an address to world leaders gathered in Paris for Armistice commemorations on Sunday to send a stern message about the dangers of nationalism, calling it a betrayal of moral values. French President Emmanuel Macron delivers a speech during a commemoration ceremony for Armistice Day, 100 years after the end of the First World War, at the Arc de Triomphe, in Paris, France, November 11, 2018. Ludovic Marin/Pool via REUTERS With U.S. <br />
