The argument Ad Nauseum is not that abdominal discomfort that often accompanies watching commercial television--but it's close. It is a strategy that involves repeating a conclusion many times to urge its acceptance rather than offering proof. The term Ad Nauseum means surfeit to the point of sickness . For some of us, it calls to mind, unpleasantly, eating too much theater popcorn and before watching the owl attack scene in the movie Thrice Midnight . With such associations, how is anyone sold on this fallacy? I've encountered Ad Nauseum in three flavors: First, a brute pummeling of repetition, a.k.a. the supersoaker approach. Here I refer to your filibuster, your parental injunctions to pack an umbrella, and yes, your Hulu commercials that might, through sheer persistence, convince you to back up your files on Mozy. Second, the subliminal approach. Conclusions may sn...