Democratic U.S. Sen. Tim Kaine of Virginia is vying for a third term against Republican challenger Hung Cao Democratic U.S. Sen. Tim Kaine of Virginia is vying for a third term against a GOP challenger who is trying to become the first Republican in the state since 2002 to win a seat to the upper chamber.

While all eyes are on the presidential race, control of the Senate is at stake, and that includes a seat in Virginia, as Republican challenger Hung Cao looks to unseat incumbent Democrat Tim Kaine, who has held the seat for the past 12 years.