Maine Gov. Mills will announce challenge to Sen. Collins in key 2026 Senate contest, AP sources say

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View in Browser Maine Gov. Mills will announce challenge to Sen. Collins in key 2026 Senate contest, AP sources say October 10, 2025 Mills' entry into the race sets up a potential matchup between the parties' best-known figures in a state where Democrats see a chance to gain a seat in their uphill quest for a Senate majority. Read more Today's latest headlines ADVERTISEMENT SUPPORT THE AP. DONATE. Manage preferences  | Privacy policy | Unsubscribe     *Advertisers have no control over editorial decisions or content. If you're interested in advertising, contact us here.