This dossier examines the implications of Mamdani’s victory for immigration and religious freedom, and delves into the position of the Jewish community within this political shift, revealing internal fractures shaped by competing religious loyalties and intellectual and political affiliations. It concludes by assessing the political battle awaiting Mamdani in his confrontation with Trump, amid a deeply polarized climate that is likely to turn his tenure into an open clash between two competing visions for the city’s future.