The Brief The three progressive primary candidates in Michigan all won their races Tuesday night. Michigan’s primary results are in – and progressives here fared well in the primary election. "And, more importantly, over 500,000 more Michiganders voted in the Democratic primary than in the Republican primary," he said. Dig deeper:Thanedar, while still a member of the Congressional Progressive Caucus, has broken with the DSA on a few critical areas. Bush was the progressive candidate backed by Sen. Bernie Sanders.