Saturating the Swing States.

The presidential nominees have poured more than $15 million into television advertising since the end of the parties' national political conventions, mostly in a handful of battleground states in the Midwest, according to a study released Wednesday by the University of Wisconsin Advertising Project. In the week after the Republican convention, Senator Barack Obama spent $7.7 million on advertisements in 17 states, while Senator John McCain spent $7.8 million on spots in 15 states. [ABSTRACT FROM PUBLISHER]