Washington ― Gary Peters, Michigan’s senior senator and a former congressman, said he won’t seek reelection next year and will retire from the U.S. Senate when his second term ends in January 2027.

Michigan Sen. Gary Peters’s (D) unexpected decision to not seek another term in 2026 has scrambled what was already expected to be a closely fought race in a key battleground. Democrats knew that

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.