Vice President Joe Biden and his wife, Dr. Jill Biden arrive to join Virginia Democratic candidate for Senate Tim Kaine, Sen. Jim Webb (D-Va.), and Sen. Mark Warner (D-Va.) at a campaign rally at the Heritage Farm Museum at Claude Moore Park, Sterling, Va., Monday, November 5, 2012. (Andrew Harnik/The Washington Times)

Photo by: ANDREW HARNIK

Vice President Joe Biden and his wife, Dr. Jill Biden arrive to join Virginia Democratic candidate for Senate Tim Kaine, Sen. Jim Webb (D-Va.), and Sen. Mark Warner (D-Va.) at a campaign rally at the Heritage Farm Museum at Claude Moore Park, Sterling, Va., Monday, November 5, 2012. (Andrew Harnik/The Washington Times)