Former U.S. Federal Reserve Chairman Greenspan arrives to testify at a Senate Finance Committee hearing on tax reform and deficit reduction, on Capitol Hill in Washington

 
Former U.S. Federal Reserve Chairman Greenspan arrives to testify at a Senate Finance Committee hearing on tax reform and deficit reduction, on Capitol Hill in Washington
Former U.S. Federal Reserve Chairman Alan Greenspan arrives to testify at a Senate Finance Committee hearing on tax reform and deficit reduction, on Capitol Hill in Washington, September 13, 2011. REUTERS/Jonathan Ernst (UNITED STATES - Tags: POLITICS BUSINESS)