and... 
Whatever gets the votes, I guess.
and... He's actually a very accomplished vote counter. He (from what I'm told) doesn't vote until he knows how the vote is going to go. He sounds like he's A] waffling or B] being open to all views before he makes a decision, but he is really just providing cover for however he ends up voting.
One of the local talk show hosts spoke of Specter getting snookered by Chucky Schumer. As much as I despise Specter, I realize that he isn't stupid. He is clever enough to make it look that way, but the 2nd hearing on this nominee is exactly what Specter wanted and he made it look like Chucky outsmarted him. He comes away clean even though he stabbed this guy -- and the GOP -- in the back again.