*BERNANKE SAYS PACE OF BOND PURCHASES NOT `ON A PRESET COURSE' *BERNANKE SAYS FED MAY TAPER QE IN 2013, HALT IT AROUND MID-2014 *BERNANKE SAYS FOMC...
*BERNANKE SAYS PACE OF BOND PURCHASES NOT `ON A PRESET COURSE' *BERNANKE SAYS FED MAY TAPER QE IN 2013, HALT IT AROUND MID-2014 *BERNANKE SAYS FOMC BELIEVES RISKS TO ECONOMY EASED SINCE FALL *BERNANKE SEES HIGHLY ACCOMMODATIVE POLICY IN FORESEEABLE FUTURE