Where the U.S. Senate race stands

A big union endorsement, millions in outside spending, and a three-way Democratic fight that's only getting tougher . Michigan's open U.S. Senate race is quickly becoming one of the country's most closely watched contests. by Zoe Clark and Rick Pluta Want to get political updates from Zoe and Rick straight to your inbox? Sign up for the It's Just Politics newsletter! Want to support more work like…