French President Emmanuel Macron discussed the dangers of anti-Semitism as part of an 80th commemoration ceremony of a mass arrest and roundup of Jews in Paris that took place during the years of World War II and the Holocaust. He spoke in the central town of Pithiviers, south of Paris, at the inauguration event for a memorial at its train station marking the Vélodrome d’Hiver roundup. For two days in 1942—July 16 and July 17—thousands of French policemen helped round up 13,000 Jews and imprison them inside the Vel’ d’Hiv (the Winter Stadium) in Paris. Families were left to sit...