Obama, Clinton Swap States

Sens. Hillary Rodham Clinton (N.Y.) and Barack Obama (Ill.) traded wins in the last hours of Feb. 5, with Clinton winning a series of victories in the northeast and Obama showing considerable strength in the Midwest and plains states.

Among the remaining key states, Clinton led Obama in Missouri -- which the Associated Press had called for her -- as well as Arizona.

California remains a major battleground for both candidates. The polls in the Golden State closed just 20 minutes ago, however, and no calls have been made by the networks or the Associated Press.

The race continues....