Jon Corzine is stepping down as both chairman and CEO of MF Global, or at least what's left of it, the firm announced today. Corzine, who drove the company into bankruptcy with bets on European debt, will decline his severance package, the AP reports; it would have been worth $12.1 million. He has also hired a famed white-collar crime attorney, the New York Times reports, though we can't imagine why. (More Jon Corzine stories.)