The most populated city in the United States might also have the most polarizing mayoral race of any other. The New York City mayoral race features a disgraced former governor, a surging socialist, an incumbent with his own legal troubles, and other heavy hitters.

Zohran Mamdani has buzz and some momentum in New York City’s mayoral race. But can a 33-year-old democratic socialist — or anyone else — beat former Gov. Andrew Cuomo in the Democratic primary? Mamdani picked up a key endorsement Thursday from U.

The decision by Ms. Ramos, a state senator from Queens, is at odds with her frequent criticism of Andrew M. Cuomo, including comments questioning his “mental acuity.”