Rep. Joe Donnelly (D-Ind.) released a new poll today showing he remains in a dead heat with state Treasurer Richard Mourdock in the Hoosier State's open Senate race. Donnelly received 41 percent to Mourdock's 40 percent in the survey obtained by Roll Call and paid for by the Democrat's campaign. The survey shows Democrats believe the race remains competitive several months after Mourdock defeated six-term Sen. Dick Lugar for the Republican nomination in May. Roll Call rates the Indiana Senate race as Leans Republican. (more…)