** FILE ** Sen. Elizabeth Warren, D-Mass., listens to a witness at Senate Banking Committee hearing on anti-money laundering on Capitol Hill in Washington, Thursday, March 7, 2013. (AP Photo/Cliff Owen)
** FILE ** Sen. Elizabeth Warren, D-Mass., listens to a witness at Senate Banking Committee hearing on anti-money laundering on Capitol Hill in Washington, Thursday, March 7, 2013. (AP Photo/Cliff Owen)
** FILE ** Sen. Elizabeth Warren, D-Mass., listens to a witness at Senate Banking Committee hearing on anti-money laundering on Capitol Hill in Washington, Thursday, March 7, 2013. (AP Photo/Cliff Owen)
Sen. Jim DeMint, a member of the Senate Banking Committee and the Joint Economic Committee, leads other Republican senators on Capitol Hill in Washington on Wednesday, June 29, 2011, in a call to bypass the July Fourth holiday recess to stay in town to work on the debt crisis. (AP Photo/J. Scott Applewhite)
**FILE** Treasury Secretary Timothy Geithner testifies July 26, 2012, on Capitol Hill in Washington before the Senate Banking Committee. (Associated Press)
Federal Reserve Chairman Ben S. Bernanke pauses as he arrives to give his semiannual report to the Senate Banking Committee on Tuesday, July 17, 2012, on Capitol Hill in Washington. (AP Photo/Carolyn Kaster)
Federal Reserve Chairman Ben S. Bernanke pauses as he arrives to give his semiannual report to the Senate Banking Committee on Tuesday, July 17, 2012, on Capitol Hill in Washington. (AP Photo/Carolyn Kaster)
JPMorgan Chase CEO Jamie Dimon, head of the largest bank in the United States, prepares to testify June 13, 2012, on Capitol Hill before the Senate Banking Committee about how his company recently lost more than $2 billion on risky trades and whether its executives failed to properly manage those risks. (Associated Press)
JPMorgan Chase CEO Jamie Dimon, head of the largest bank in the United States, prepares to testify June 13, 2012, on Capitol Hill before the Senate Banking Committee about how his company recently lost more than $2 billion on risky trades and whether its executives failed to properly manage those risks. (Associated Press)
