FILE - In this March 7, 2013 file photo, Sen. Elizabeth Warren, D-Mass., questions a witness at Senate Banking Committee hearing on anti-money laundering on Capitol Hill in Washington. As she enters her second year in Congress in 2014, Warren told The Associated Press she's focused on improving the economic futures of American families by reigning in student debt, easing what she calls the nation's retirement crisis, and doubling funding for federal research programs. (AP Photo/Cliff Owen, File)