Socialist insurgents force moderate Democrats into high-risk showdown over must-hold races

The Democratic Party's ideological war is moving from deep-blue congressional districts to statewide contests in Michigan, Wisconsin and Minnesota, where progressive victories could reshape the party and endanger must-hold seats in November.

After far-left and socialist candidates defeated more moderate contenders in deep-blue districts last month, upcoming Senate primaries in Michigan and Minnesota and Wisconsin’s gubernatorial primary will test whether the movement can translate those wins into statewide power.