CNN's average of national polls shows McCain currently holds a 1-point lead over Obama at 46-45%. The average is composed of five national general election surveys: Fox News/Opinion Dynamics (September 8-9), NBC/Wall Street Journal (September 6-8), American Research Group (September 6-8), Gallup (September 8-10), and Diageo/Hotline (September 8-10). It does not have a sampling error. If the polls remain at those numbers it will be an extremely close race, among the closest ever.