Democratic mayoral nominee Zohran Mamdani said he would drop a Holocaust remembrance group’s definition of “antisemitism” if he becomes mayor — a turnaround in police that has some Jewish rights advocates on edge. Mamdani confirmed he would oppose the definition used by the International Holocaust Remembrance Alliance if he becomes mayor, which would dismantle an executive order signed by Mayor Eric Adams in June as part of a push against anti-Jewish hate. “A Mamdani administration will approach antisemitism in line with the Biden Administration’s National Strategy to Counter Antisemitism, a strategy that emphasizes education, community engagement, and accountability to reverse...