Americans have always been a hard-drinking people, but from 1920 to 1933 the country went dry. After decades of pressure from rural Protestants such as the hatchet-wielding Carry A. Nation and organizations such as the Women's Christian Temperance Union and Anti-Saloon League, the states ratified the Eighteenth Amendment to the Constitution. Bolstered by the Volstead Act, this amendment made Prohibition law: alcohol could no longer be produced, imported, transported, or sold. This bizarre episode is often humorously recalled, frequently satirized, and usually condemned. The more interesting...