It was a good night for Brad Lander. It was a good night for Zohran Mamdani. Photo: Spencer Platt/Getty Images As New York’s contentious primary season hurtled to a close this week, the constellation of mainstream Democratic politicians, operatives, and insiders who have long run this city started to feel something resembling hope. Flummoxed by Zohran Mamdani’s rise a year ago, they noticed a distinct shift in the vibes and thought their fortunes might change on Tuesday. Turnout for the early