By the very telling measure of TV advertising, four Great Lakes states – Wisconsin, Ohio, Michigan and Pennsylvania – have emerged as the hottest regional battleground in the 2008 presidential campaign.
Despite the talk of an “expanded map” in ’08, those four states accounted for half the overall television spending – and two-thirds of the Republican TV spending – since early June, according to new data compiled by the Wisconsin Advertising Project at the University of Wisconsin-Madison.