Tuesday night’s results are already rippling through next year’s midterms and the 2028 Democratic presidential primary.

Many Democratic leaders and donors are panicking about Zohran Mamdani, the 33-year-old democratic socialist who won the party's nomination to be the next mayor of New York City. Why it matters: Establishment Democrats looking to recover from 2024's losses fear Mamdani could hurt the party's brand nationally — while young progressives believe his formula could spread beyond New York.