Most of the polls are within the margin of error. In many races, it's a coin flip whether the seat
falls to the Republicans or goes to the Democrats. Here are some very simple coin flips that might decide it.
Heads is Republican. Tails is Democratic. Most flips wins. Ties go to the AIs.
An 87-second walk through every flip, narrated by Justin Hart. Recorded Oct. 31, when the count was 51–49, before the late-money coins in Ohio and South Carolina flipped to Democrats.