Federal Reserve Chairman Ben S. Bernanke told Congress the central bank is prepared to take additional action, including buying more government bonds, if the economy appears to be in danger of stalling. “The possibility remains that the recent economic weakness may prove more persistent than expected and that deflationary risks might reemerge, implying a need for additional policy support,” Bernanke said in prepared testimony before the House Financial Services Committee in Washington today. “The Federal Reserve remains prepared to respond should economic developments indicate that an adjustment of monetary policy ... (full story)