The National Conference on Tobacco and Health, held in downtown Chicago last week (May 4th through the 6th), produced a historic and very unusual experience for many Chicagoans. The Sheraton Chicago and Hyatt Regency Chicago hotels, which hosted this convention, became entirely non-smoking for three days with no warning. The only exceptions were their smoking guest rooms. The purpose of this National Conference was "...To help improve and sustain the effectiveness and reach of tobacco control programs and activities in the United States." For a registration fee of $575 per attendee, approximately 3200 people from all parts of our...