Democratic Sen. Gary Peters won’t run for re-election in Michigan in 2026, creating a pivotal open Senate seat in one of the most tightly divided battleground states in the U.S.

Michigan Democratic Senator Gary Peters will not seek re-election to a third term when his current one expires in January 2027, leaving open a senate seat in a state Donald Trump won.

Gary Peters of Michigan ... you do your whole life.” Peters’ unexpected exit adds pressure to Democrats, who are already facing a challenging 2026 Senate map. The party is defending ...