Republican senators hold leads over their Democratic challengers in Ohio and Pa. among likely voters, while Democrats have made up ground in Fla. and N.C., according to Quinnipiac University poll. In Fla., Sen. Marco Rubio leads Democratic Rep. Patrick Murphy 48%-44%, down from a 50%-43% advantage he held last month In N.C., Sen. Richard Burr tied with Democratic opponent Deborah Ross at 46% Survey shows gains for Ross; Burr led by 6 ppts in Sept. survey In Ohio, Sen. Rob Portman leads Democrati
Source: Bloomberg Politics