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 join