Darializa Avila Chevalier, Brad Lander, and Claire Valdez—the three Zohran Mamdani–backed candidates who swept Tuesday’s New York Democratic congressional primaries. (Illustration by The Free Press; images via Getty) Meet the socialists who dominated Tuesday’s primaries. On Tuesday, the Democratic establishment suffered a crushing defeat when nine out of 10 candidates endorsed by the local chapter of the Democratic Socialists of America (DSA) coasted to victory in their primaries.