2. Indiana Senate: Sen. Joe Donnelly (D) vs. Mike Braun (R)
In September, this race was looking increasingly challenging for Republicans to win. Donnelly’s low-key, pragmatic demeanor had given him a consistently narrow advantage over Republican Braun, while the GOP attacks were all over the map without any coherent theme. Donnelly, who was one of three Democrats to support Justice Neil Gorsuch’s confirmation to the Supreme Court, was seen as a likely supporter of Kavanaugh—a move that would burnish his moderate reputation.
Then, immediately after the contentious Kavanaugh hearings, Donnelly announced his opposition to the nominee. It gave Braun a rallying cry in the race, and boosted his partisan support. The race is still razor-tight, according to operatives in both parties. Polls in Indiana close at 6 p.m. local time; early results will foreshadow which side holds the advantage in the battle for the Senate.
Tennessee Senate, too, and for similar reasons.