[Tallguy]

... and PA is in the ‘do-able’ range for McCain.

[gandalftb]

Yes, it is and PA is a must win state for McCain. He has to do well in all the battleground states anyway. But Obama can't recover from losing PA's 21 votes.

Remember, PA is the only battleground state that Kerry won over Bush.

A loss there will evidence the paper-thin rhetoric of Obama, that will play out in OH and FL and VA too. PA is the key to dropping Obama's house of cards.