With election day right around the corner, voters and politicos alike are on the edge of their seats, wondering what could happen to tip the scales in their favor.
American University government professor Jan Leighley said with most voters already cemented on a candidate, day-of disasters aren't likely to make a huge difference.
But could a "last minute piece of information that's surprising or scary affect how someone who's undecided votes?" Leighley asked. She answered her own question, saying, "Could be!"
Read on to see which six factors could keep Democrats, Republicans or both parties at home and out of the polls.