As a physician who has devoted 21 years to advocacy in tobacco control, conducting research and publishing a number of studies on the hazards of secondhand smoke, it is not surprising that I favor a wide range of anti-smoking measures. But anti-smoking tactics adopted by some municipalities, companies and organizations do not serve smokers or the public. The methods are mean-spirited, unsupported by science and attempt to stamp out smoking by punishing and marginalizing smokers. They go too far. The City Council in Calabasas, Calif., recently enacted an ordinance - supported by several anti-smoking groups - that bans smoking in...