Senate polls this far from election day can show which GOP incumbent senators are in trouble. Four possible Dem Senate gains: Wisconsin fmr Sen. Feingold +9 over R-Inc. Johnson https://en.wikipedia.org/... Arkansas Gov. Beebe +8 over R--Inc. Sen. Boozman https://en.wikipedia.org/... Ohio Rep. Strickland +1 over R-Inc Sen. Portman https://en.wikipedia.org/... Illinois Rep. Duckworth +17 over R-Inc. Sen. Kirk https://en.wikipedia.org/... open Senate Seat Florida Grayson & Murphy looks +2 to +8 over DeSantis https://en.wikipedia.org/... open Nevada Sen. looks too close to tell right now http://www.realclearpolitics.com/...