It's going to take more than a few years to meet the challenges that have been decades in the making,monster beats pro," he said.

Republicans have not selected their 2012 nominee but Obama is polling neck and neck with one of their leading candidates,dre beats monster, former Massachusetts Governor Mitt Romney.

Obama said he knew many of his supporters were disillusioned by the deadlock in Washington,monster beats outlet, where a dispute in the summer over raising the debt ceiling brought the United States close to the risk of a debt default.