Congressional Races Remain Close

While the presidential race remains tight in the lead-up to Nov. 6, Congressional elections also contain some nail-biting races.

U.S. Senate candidate and former Virginia Gov. Tim Kaine speaks to members of the media during a campaign stop at Alexandria Seaport Foundation Nov. 1, 2012, in Alexandria, Va. Many of the congressional races will stay close until the very end. Alex Wong/Getty Images