I lived in northwestern PA from 1976-1981. We got, in public school, the first day of doe season and the first day of buck season off as school holidays. Don't get me started about fundamentalist religion.
Clinging to guns and religion? Yeah, I have to admit I saw evidence of that. Bitterness? In the rust belt of Pittsburgh? Hell yeah.
I guess this is similar to people in the North thinking, during the Civil Rights Era, that racism was a problem particular to the deep South. Then busing came to Boston.
Ignorant backwater Amurricans are everywhere, but whether you're Karl Rove or John Murtha, it isn't considered tactful for a public figure to say so.
That said, here is a little map of the Big Ten States (includes Pennsylvania) to cheer us all up. Blue states are now polling heavily toward Obama. Ahem.