John Edwards' Endorsement

I asked Joe Trippi, a former senior adviser to John Edwards, why the North Carolina senator decided to endorse Barack Obama today.

He said he didn't know the motivations. He wanted to talk impact.

"I don't know why, I just know it's big," he said. "I don't know what other endorsement you'd really want right now. He is Mr. Blue Collar. His whole life has been fighting for blue-collar people."  read more »