theodp writes "They can ban the Marlboros, tax the Cokes, and zone the Whoppers, says Slate's William Saletan on the subject of today's morality cops. But it's time to put the brakes on the paternalistic overreaching of the food police, Saletan argues, when they come after his editor's beloved Fresca ('there are concerns that diet beverages may increase calorie consumption by justifying consumption of other caloric foods'), which will have to be pried from his cold, dead hands. '40 states have enacted special taxes on soda or junk food. And the soda taxers are becoming ever bolder. Their latest manifesto is an article in the New England Journal of Medicine, co-authored by the health commissioner of New York City, the surgeon general of Arkansas, and several others. It declares soda fair game for government intervention (PDF) on the grounds that "market failures" in this area are causing "less-than-optimal production and consumption."' Where do we draw the line?"