How many Americans are heading to the polls? The answer will have an impact on the day’s biggest storyline: Will the GOP take over the Senate? Nate Silver says the Republicans have a 76% chance of doing just that.

+ For many people, the best part about election day is that it brings a (brief) respite from nonstop campaigning. Well, don’t get your hopes up. The outcome of the race to control the Senate might not be “known for days, weeks or even a couple months.”

+ The Atlantic: The midterm election user’s guide.

+ Who will win? Forget the pundits and polls. Just read some history.

+ How long will you have to wait in line to cast your vote? Well, that largely depends on the color of your skin. (I couldn’t believe my polling place didn’t have a special line for Amazon Prime members.)

+ The Verge: How Facebook is changing election day (aside from just making it more irritating).

+ The grammatical tweaks that can decide an election.