Edwards strategist thinks his candidate could have won

Joe Trippi believes his candidate, John Edwards could have forced a brokered convention if he stayed in the race, perhaps even winning the nomination. Is there any validity to this? Did Edwards even have the money to continue? It's an interesting idea, but I'm not sure if hindsight is even 20-20 in this case.
From the Huffington Post:
Joe Trippi writes about what he wishes he would have told John Edwards:
I didn't tell him what I should have told him: That I had this feeling that if he...















