Zogby Poll: Obama Leads Top Republicans Telephone survey shows fellow Democrats Hillary Clinton and John Edwards would defeat some GOPers, lose to others UTICA, New York - Illinois Sen. Barack Obama would defeat all five of the top Republicans in prospective general election contests, performing better than either of his two top rivals, a new Zogby telephone poll shows. His margins of advantage range from a 4 percent edge over Arizona Sen. John McCain and a 5 percent edge over Arkansas’ Mike Huckabee to an 18 percentage point lead over Mitt Romney of Massachusetts, the survey shows. Against New York’s...