Marijuana...check Ephedra...check Tobacco...in progress Caffeine...next in line We continue the march of using "what if's," "maybe's," and "sometime's," to villify and then ban substances that when used in moderation and properly offer about the same risk of harm as driving a car or walking down the street. Probably even less so. Oh well, you have to find something for lobbiests, politicians and fringe scientists to work on.