Second, having a buffoon like Biden as VP is good entertainment and bad PR for the Dems.
Third, if Biden were to go, I'm sure we would get someone even worse - probably Nancy Pelosi or Barney Frank.
Think about it.
Think about it.
I have.
Clearly the person most qualified to be one heartbeat away from the presidency would be the one who very nearly edged him out in the primaries:
Hillary!
Contemplate THAT!