Zohran Mamdani’s stunning victory in New York’s mayoral race has shattered long-held assumptions about Jewish voting patterns in the city. His win, powered by younger, progressive Jews disillusioned with Israel’s war in Gaza signals a generational realignment that is fracturing the Democratic stronghold in America’s largest Jewish community. The upset has unsettled both parties: Democrats face widening internal rifts over Israel, while Republicans see an opening to court disenchanted Jewish voters. As national campaigns gear up for the midterms, Mamdani’s rise is fast becoming a test case for how identity, ideology and foreign policy now collide in US urban politics....