It seems very odd and surprising that

[Bernin4U]

11. Not just played by the Dems

I remember Pat Buchanan mentioning it years ago, how in the primaries you run out to your base, then if you make it to the general you run as fast as you can to the center. He was talking about a repub at the time, but everybody on the McLaughlin panel knew it was old hat.

So both sides have been doing it for who knows how long. The question is, why does it still work? And just how "last minute" on an issue can someone's "evolving" be, before we have a problem with it?