What about the fact that the Democratic edge in registrations in Pennsylvania over Republicans is up by more than 500,000 from 2006 to 2008? Democrats outnumbered Republicans by 600,000 the day that Santorum lost by almost 20 points, and now it's up by 1.1 million.
We know that registration rough numbers often are deceiving, but does anyone want to argue that this number is meaningless because more than a half-million of those people are Hillary voters who are now going to vote for McCain--on top of all the Hillary-McCain voters who were registered Dems prior to 2006. (I'm sure there's some bad assumptions there, but you take the point. This number is a bad sign for Republicans, the only debate is how much of a bad sign it is.)
McCain either needs to cut pretty deeply with down market whites, or carriage trade seculars (RINO's now Dems since the Democrat primary has become meaningful now in Montco and envirions, or RINO's, or cafeteria RINO's), or a combo of the two, or it is curtains in PA. I keep saying that, but I can't get anyone yet, to say, you know, that is very perspicacious of you!
I want to see some polling. The Palin choice could play very well in PA, especially with "down market whites." Conversely, it might not help enough.
Biden definitely outdoes Palin in PA though moreso in the East.
I do this economics and the War will outdo the black-white issue in the end, but not entirely.