Other Michigan racesThe Senate race isn’t Michigan’s only competitive Democratic primary Tuesday. The winner will face GOP freshman Tom Barrett in a race Inside Elections rates a Toss-up. Michigan Secretary of State Jocelyn Benson is the favorite in the Democratic primary. That includes the 1st District, where prosecutor Shannon Taylor has the DCCC endorsement in her bid to take on longtime Republican Rep. The NRCC is backing state Senate Minority Leader John Braun in his challenge to moderate Democratic Rep. Marie Gluesenkamp Pérez.