Socialist insurgents eye Midwest gains as Dem civil war threatens must-hold Senate seat

DETROIT, MI - The high-stakes fight between the left-wing and the center-left establishment for the future of the Democratic Party is front-and-center on Tuesday in Michigan's primary. Boosted by a string of victories this spring in mostly blue congressional districts across the country, the Democrats' ideological war moves to the Great Lakes battleground state , where progressive victories could reshape the party and endanger must-hold seats in the midterm elections . Also at stake as Michigan