Republican Senator Susan Collins officially launched her reelection campaign in the 2026 Maine Senate race, a top target for Democrats as polls show a tight race against Democratic candidates, including Governor Janet Mills and progressive Graham Platner. Newsweek reached out to each of the candidates' campaigns for comment via email. Collins’ decision to seek another term means that Maine's Senate race will be among the most competitive of the 2026 midterms. The Pine Tree State’s election is a