Federal Reserve Chairman Ben Bernanke takes part in a news conference at the William McChesney Martin Federal Reserve Board Building in Washington, Wednesday, Jan. 25, 2012, following the January Federal Open Market Committee meeting. (AP Photo/Jacquelyn Martin)

Federal Reserve Chairman Ben Bernanke takes part in a news conference at the William McChesney Martin Federal Reserve Board Building in Washington, Wednesday, Jan. 25, 2012, following the January Federal Open Market Committee meeting. (AP Photo/Jacquelyn Martin)