Earlier this month, Food and Drug Administration Commissioner Scott Gottlieb announced sweeping new rules governing e-cigarettes and tobacco in the United States. [...] More worryingly, these moves may pave the way for even more radical regulations that would, in essence, make it illegal to sell the combustible tobacco products favored by cigarette and cigar smokers throughout the United States. The new vaping rules fall short of the stricter interventions favored by many anti-smoking activists.[...]