Zohran Mamdani won the mayorship in New York City promising free childcare, free buses, and a rent freeze. Now he's in office, childcare and the rent freeze are underway, and there’s a huge battle to tax the rich. Hear why a few brave unions backed him when he was a long shot, how city politics changed when he got in, and what else NYC unions and the working class could potentially win under a Zohran administration.