Pitiful. Santorum is behind in the polls because Philadelphia and Pittsburgh have millions of registered left wing loons and 110% of them vote.
How did Santorum ever win at all if what you say is true?
For one thing, he didn't irritate a lot of people by backing Spector in the last election.
However, Pa - I believe - is trending more blue as time goes on, and people from the cities spread out to the burbs and citizens of Pa leave for other states.
If this trend continues, Pa may be lost to us.