BANGOR, Maine—Troy Jackson, former president of the Maine Senate, defeated long-serving Sen. Susan Collins (R-Maine), flipping a Senate seat to bring the Democrats’ freshly minted majority to 53 seats.
The battleground Senate race was among seven flips by Democrats on Election Night, when the party gained control of the Senate.
A scandal jolted the race earlier this year, engulfing the previous Democratic nominee, Graham Platner, who dropped out in July while facing allegations of sexual assault.
Collins, first elected to the Senate in 1996, has repeatedly won reelection in an increasingly blue state and region as a centrist and moderate who sometimes parts ways with other Republicans—including Trump….