Who is Zohran Mamdani and what happens next in the NYC mayoral election?

Zohran Mamdani, 33, a New York City assemblymember who was practically a political unknown prior to his campaign, is the presumptive winner of the New York mayoral primary. On Tuesday evening, Mamdani led the first-choice vote count with 44% of the vote. Former Governor Andrew Cuomo, trailing at…