Tuesday's Democratic primary election demonstrated the power of Mayor Zohran Mamdani's endorsement. Every candidate backed by the mayor emerged victorious, underscoring his growing influence within New York Democratic politics. As the results become clear, NY1 investigative reporter Courtney Gross, political reporter Bobby Cuza and political anchor Errol Louis break down the key races, the biggest surprises, and what the outcomes could mean for the future direction of the Democratic Party in New York.