The decline in U.S. smoking prevalence since the publication of the first Surgeon General's Report in 1964 has been hailed as one of the greatest public health accomplishments of the past century. Forty four million Americans-almost half of those who ever smoked-have quit, and lung cancer death rates have decreased greatly as a result. As a nation, we've launched wide-reaching tobacco control programs in worksites, schools, communities, and all 50...