Alexandria Ocasio-Cortez endorses Zohran Mamdani for New York City mayor, aiming to unite progressive voters against Andrew Cuomo. Mamdani, a Queens-based leftist, has proposed innovative policies like free city buses and municipally operated grocery stores. Ocasio-Cortez's endorsement may impact her future political trajectory, with speculation about a potential presidential candidacy in 2028 or a Senate bid for Chuck Schumer's seat.