Alabama:Richard Shelby - 9% approvalJeff Sessions - 8% approvalAlaska:Lisa Murkowski - 70% approvalMark Begich - 75% approvalArizona:John McCain - 25% approvalJeff Flake - 30% approvalArkansas:Mark Pryor - 23% approvalJohn Boozman - 21% approvalCalifornia:Dianne Feinstein - 20% approvalBarbara Boxer - 46% approvalColorado:Mark Udall - 73% approvalMichael Bennet - 66% approvalConnecticut:Richard Blumenthal - 55% approvalChris Murphy - 66% approvalDelaware:Tom Carper - 38% approvalChris Coons - 50% approvalFlorida:Bill Nelson - 63% approvalMarco Rubio - 22% approvalGeorgia:Saxby Chambliss - 11% approvalJohnny Isakson - 26% approvalHawaii:Brian Schatz - 78% approvalMazie Hirono - 69% approvalIdaho:Mike Crapo - 15% approvalJim Risch - 19% approvalIllinois:Dick Durbin - 57% approvalMark Kirk - 48% approvalIndiana:Dan Coats - 24% approvalJoe Donnelly - 64% approvalIowa:Chuck Grassley - 25% approvalTom Harkin - 71% approvalKansas:Pat Roberts - 15% approvalJerry Moran - 13% approvalKentucky:Mitch McConnell - 9% approvalRand Paul - 45% approvalLouisiana:Mary Landrieu - 56% approvalDavid Vitter - 9% approvalMaine:Susan Collins - 46% approvalAngus King - 71% approvalMaryland:Barbara Mikulski - 50% approvalBen Cardin - 48% approvalMassachusetts:Elizabeth Warren - 69% approvalEd Markey - 60% approvalMichigan:Carl Levin - 58% approvalDebbie Stabenow - 52% approvalMap is the average of both percentages: