Tom Petters is putting the blame on several associates for the fraud at Petters Co. Inc.Taking the stand again today at his fraud trial, he says two PCI vice presidents, Deanna Coleman and Bob White, had greater roles than he did at the time the fraud was committed.Petters also pointed the finger at a friend who did business with the company, Larry Reynolds.Petters says he would've fired Coleman and White if he'd known they were forging documents to fool investors.He also says he wanted to sell PCI but that Coleman and White stood in his way.