60 Minutes recently took a look at World Savings Bank, the acquisition that ultimately wounded Wachovia so badly that it had to be acquired by Wells Fargo. What was wrong with an institution for which Wachovia was willing to pay $25 billion? Well, one whistleblower claims that World Savings was engaged in fraud and predatory lending — tricking its customers into signing up for dangerous “option-arm” or (as they cheerfully called them) “pick-a-payment” loans.