U.S. Federal Reserve Board Chairman Ben Bernanke testifies before the Senate Banking, Housing and Urban Affairs Committee on the Dodd-Frank Wall Street Reform and Consumer Protection Act on Capitol Hill in Washington in this September 30, 2010 file photo. The Federal Reserve is expected to announce a controversial new policy later on November 3, 2010, to buy billions of dollars in government bonds in an attempt to breathe new life into a struggling U.S. economy. REUTERS/Richard Clement/files (UNITED STATES - Tags: POLITICS BUSINESS)