Bush lost PA despite record pro-life voting in PA. Why? Because it’s a state that’s trending leftward. And tell me, why is Rudy beating Hillary in all the PA polls—if, as you say, Rudy can’t win PA without the pro-life vote? The fact is, he’ll win PA—first, because he appeals to moderates and second, because of the ethnic Italian vote.
Once again, ethnic comes 2nd after Democrat. Ask Santorum. Given a choice between a socialist Democrat and a free trade capitalist Republican, all other things being equal (same stance on gun control, Roe v. Wade, gay marriage, etc.,) the Reagan Democrats vote Democrat or don't bother to vote, plus if the nominee is Hillary for the D's, lots of those suburban, feminist, Philly Republican women will vote for a woman over any white man, particularly one that is viewed as an "authoritarian."
Should Giuliani be the Republican nominee, he will have virtually no volunteers on the ground in PA. That dirty work is done by the pro-lifers and some may be scared by Hillary into voting for him, but they are not going to man the phone banks or walk the precincts for any Naral supported candidate.