Mike Pence, Tim Kaine arrive at debate site

FARMVILLE, Va. - Republican Mike Pence and Democrat Tim Kaine have arrived at the site of the first and only vice presidential debate.The candidates will face off just past 9 p.m. at Longwood University in Farmville, Virginia.Advisers for the candidates suggest there could be fireworks during the 90-minute affair, although vice presidential debates rarely change the direction of a presidential race.Elaine Quijano of CBS News serves as the moderator.Neither candidate is as well-known as his runni