It's campaign season, which means there is plenty of mud being tossed back and forth between candidates, especially on campaign commercials. These commercials are notorious for taking complex political debates and boiling them down into misleading sound bites. This "dumbing down" of political debate is always unfortunate, but it becomes tragic when sound bites endanger the lives of vulnerable human beings. Case in point: a couple of candidates have released campaign commercials featuring Michael J. Fox. Mr. Fox, who starred in the Back to the Future movies, is suffering from Parkinson's disease, and after seeing him on TV, every decent...