Sen. Bernie Sanders (I-VT) and Zohran Mamdani during a "Get Out The Vote" rally in Brooklyn on June 18, 2026. | Adam Gray/Bloomberg via Getty Images The Democratic Socialists of America have notched some impressive primary wins over the past couple of weeks. In New York, two DSA members beat Democratic establishment candidates — including the sitting chair of the Congressional Hispanic Caucus — in House primaries. In Colorado, Melat Kiros beat out a 30-year incumbent in another House primary.