Top Republican, campaigning for gubernatorial candidate, says some of states voters might not be as sharp as a knifeIn a tight election its common to flatter voters or promise them the earth, but a top Republican supporting governor Scott Walkers campaign in Wisconsin has tried a novel approach: insulting them.I dont want to say anything about your Wisconsin voters, Sharon Day, co-chair of the Republican National Committee, told an audience, but some of them might not be as sharp as a knife.