Weird Trajectories

John Tierney notices something odd about the history of the nanny state:

After seeing the reaction to my post on trans fats, it occurs to me that there's been a weird trajectory in public health policy since the Surgeon General's report on tobacco in 1964: The science has been getting weaker, but the policies have been getting stronger.
Comparing the reaction to tobacco, second-hand smoke, and trans fats, Tierney concludes that a slippery slope mechanism is in effect. See y'all at the bottom!