Rabbi Zalman Leib Teitelbaum, the Satmar Rebbe of Williamsburg, has criticized efforts to brand Mayor Zohran Mamdani as antisemitic, putting one of New York’s most prominent anti-Zionist Hasidic leaders on the opposite side of a fight from Jewish organizations that have accused the mayor of making the city more hostile to Jews.The event made it starkly clear how difficult it now is to treat Jewish New York as a single political constituency. Satmar’s position is not an endorsement of Mamdani’s progressive politics; the movement’s opposition to Zionism is religious and long predates the mayor, while its leaders have traditionally emphasized...