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. All of that is on top of the ascendency of New York Mayor Zohran Mamdani, who's looking like a Democratic kingmaker after his endorsed candidates trium