Former MF Global CEO Jon Corzine is sworn in to testify about the firm's bankruptcy during a hearing before the U.S. House Agriculture Committee on Capitol Hill in Washington, December 8, 2011. Corzine apologized to customers, employees and investors who have suffered because of the brokerage firm's collapse in lengthy remarks, but said he does not know where missing customer money is. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS BUSINESS)