(CNN) – Hockey Moms might be the hot political demographic of the moment, but NASACAR Dads haven't been forgotten. The McCain campaign is moving Sarah Palin's Monday appearance from the Arthur Ashe Center in downtown Richmond, Virginia — capacity 6,000 — to a much larger outdoor venue: the Richmond International Raceway, which hosts two NASCAR Sprint Cup Series races yearly and can accommodate over 100,000 people. The campaign doesn't expect to fill all those seats, but McCain's mid-Atlantic regional director Trey Walker said the demand for Palin tickets has nearly quadrupled the capacity of the original event site, the Arthur...