Byron York said the socialists who prevailed in New York’s primary are likely to create challenges for the broader Democratic Party.

Avila Chevalier’s and Valdez's victories on Tuesday marked a victory for the increasingly powerful socialist movement in New York City.

Democratic socialists are winning in New York — and in other cities. Can they win elsewhere?

In New York City, socialists won all three of the Democratic Party primary races for districts in the House of Representatives.