Both Senate candidates in Maine have been strong fund-raisers, and allied super PACs and dark-money groups are mobilizing for their showdown.
Related stories
Justice Alito Will Not Retire From Supreme Court Immediately, Despite Election Outcome
Chiefs Emerge as Potential Landing Spot for 4-Time Pro Bowl WR
Social Security Update: Democrat Ideas for Major Changes After Midterm Win
Trump Endorsement, Omar Raid Hurt Tafoya in Minnesota Senate Race: Expert
Samuel Alito's Missed Opportunity: Democrats' Blue Tsunami Impact on SCOTUS
Trump Confronts a New Role: A Lame Duck Facing a Hostile Congress