Sestak and The Angry Left
Who can blame him?
The Angry, anti-war Left is unlikely to help Democrats regain the White House or lead the country in a direction that the country is likely to go.
It could be 1972 all over again.
UPDATE: Elizabeth Edwards carefully scolds MoveOn.Org. It's a start.
UPDATE II: Jane Hampster explains the rules of engagement to Elizabeth Edwards over at Firedoglake. They will brook NO DISSENT!