"New Post-ABC numbers show Obama leading five of six potential Republican presidential rivals tested in the poll. But he is in a dead heat with former Massachusetts governor Mitt Romney, who formally announced his 2012 candidacy last week, making jobs and the economy the central issues in his campaign.
Among all Americans, Obama and Romney are knotted at 47 percent each, and among registered voters, the former governor is numerically ahead, 49 percent to 46 percent."