Immigration Enforcement Maine
Graham Platner speaks at an anti-ICE rally outside of Sen. Susan Collins' Portland office on Thursday, Jan. 29, 2026.
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Maine’s Republican Sen. Susan Collins has announced her reelection bid, entering a closely watched race that Democrats have targeted in their effort to retake the Senate majority in Congress in this year’s midterm elections. Collins has defended the seat for decades, casting herself as a reflection of Maine’s independent spirit. However, Collins has faced criticism for not condemning President Donald Trump’s immigration tactics. Democratic Gov. Janet Mills and oyster farmer Graham Platner are top Democratic challengers. Platner recently outraised both Mills and Collins. Collins previously defeated Democrat Sara Gideon in 2020 despite being outspent.
