Meet 33-year-old Zohran Mamdani, a former foreclosure prevention counselor who became the frontrunner for NYC mayor by campaigning to freeze rent

When he announced his run for mayor back in October, Zohran Mamdani was a state lawmaker unknown to most New York City residents. On Tuesday evening, the 33-year-old marked his stunning political ascension when he declared victory in the Democratic primary from a Queens rooftop bar after former…