A gun-show promoter yesterday took aim at Sen. Mike DeWine by filing petitions to run against him in the March 7 Republican primary election. Ronald R. Dickson, 53, of Oxford Ohio, filed petitions containing 3,600 signatures. He needs valid signatures of 1,000 registered voters to qualify for the ballot. Calling DeWine a "turncoat Republican" for his vote last May to require background checks at gun shows, Dickson accused DeWine of trying "to shut down gun shows and... (GunPolicy.org)