Ben S. Bernanke, chairman of the U.S. Federal Reserve, speaks during a news conference following a Federal Open Market Committee meeting in Washington, D.C. on Dec. 12, 2012. Photographer: Andrew Harrer/Bloomberg
Ben S. Bernanke, chairman of the U.S. Federal Reserve, speaks during a news conference following a Federal Open Market Committee meeting in Washington, D.C. on Dec. 12, 2012. Photographer: Andrew Harrer/Bloomberg