Zohran Mamdani celebrated after three candidates he endorsed won Democratic primaries in New York City, defeating incumbents and reshaping local power.Claire Valdez beat Nydia Velázquez, Darializa Avila Chevalier unseated Adriano Espaillat, and Brad Lander also toppled an established member; Micah Lasher narrowly prevailed in Manhattan’s 12th District while Anthony Constantino won the upstate Republican nod.The sweep has strengthened Mamdani’s influence with progressive voters but provoked criticism from Jewish leaders and House Democrats, prompting national operatives to reassess strategy and fundraising approaches.