WASHINGTON - New signs emerged Wednesday that the economic rebound is sputtering. Sales of new homes hit a record low last month and mortgage giant Freddie Mac said it will need more federal aid and might never repay it.

Against that backdrop, the government is trying to prop up the housing and job markets. Federal Reserve Chairman Ben Bernanke reiterated the need to continue record-low interest rates for “an extended period.” And the Senate passed a bill to give tax breaks to companies that hire the jobless.  more…