Mayor Mamdani leads a city where Jews face more hate crimes than any other group. Jewish New Yorkers can tell him why: anti-Israel rhetoric leads to violence against the Jewish community. The question is whether he will let them define the hate that is directed at them. When Black Americans fought for civil rights, it was Black leaders who defined what racist discrimination looked like and felt like. Their experience shaped our national understanding of civil rights, and the Jewish community stood shoulder-to-shoulder with them, from Selma to the Senate. The people who told Black Americans they were wrong about...