In this last week before election day, Obama, Biden, Sanders, and Trump are out on the campaign trail hoping their star power will get voters to the polls. Meanwhile, Nate Silver of FiveThirtyEight talks to George about the art of political predictions.

Months of hard work have all come down to this: election day. As ABC's embed reporters are put to the ultimate test covering the tightest races across the country, nerves and excitement are met with the realization that their journeys are ending.