Unlike other addictive drugs such as marijuana, cocaine, and heroin, alcohol is legal to use and can be easily purchased by adults in the United States almost anywhere and at any time. People routinely buy a six-pack of beer along with a gallon of milk at their corner grocery store or even when they stop at a gas station. Dr. Gail Gleason Milgram calls alcohol "the drug of choice for most Americans." Yet America is also the nation that early in the twentieth century believed alcohol was such a menace to the well-being of its citizens that it banned the manufacture and sale of this drug during what was known as Prohibition. This unique effort in social engineering began in 1919, but Prohibition had no sooner gone into effect than tens of millions of Americans began rebelling against it. Their decision...