Can the DSA Replicate Mamdani's Formula in House Races?

The Democratic Socialists of America deployed their largest coordinated slate in New York's June 22 House primaries, betting they can repeat Zohran Mamdani's 2025 mayoral upset. Mamdani won by mobilizing left-populist organizing across a fractured field without needing moderate candidates to drop out—a structural advantage the DSA now tests on congressional races.