French President Emmanuel Macron arrived in Britain today for a rare state visit — the first by a French leader in 17 years. He was welcomed with full royal honors at Windsor Castle, in a display of diplomatic warmth aimed at resetting ties between two nations that have clashed in recent years over Brexit, migration and defense. With both sides now keen to move on from the political turbulence, Macron’s visit marks a symbolic moment of rapprochement between London and Paris. The World’s Europe Correspondent Orla Barry brings host Marco Werman the latest.