Mr. McCain’s strategists argue that their candidate has a dual appeal: to the pro-gun working-class voters in the western coal country, many of whom supported Senator Hillary Rodham Clinton of New York in the Democratic primary, and to independents and moderates in the swing counties around Philadelphia."
Well, if SUSA, is anything to go by. Obama seems to be doing reasonably well among Republicans in PA, just as McCain is among Democrats
As for Pennsylvania's moderates, Obama is kicking McCain's butt. When McCain capitulated to the right of his party by passing over the likes of former PA governor Tom Ridge for running mate, he, effectively, told the center to f***-off, I don't need you
Dave