when we know from the yale school of public health, the national bureau of economic research, other institutions have said banning flavors will increase smoking. that's the last thing we want to do. >> when we are talking about smoking, you are talking about choices neither -- but to say one is good is not really what it's about. it's how harmful, less harmful is not the same as good. when you say -- >> if you -- >> one step at a time, greg. if you are an adult smoker it's not as bad as tobacco and it's not burning and 7,000 chemicals in it. you wouldn't argue that vaping is better than not vaping, right? >> no. but that's not the choice. >> of course it is. >> that most smokers face. 50% of smokers are on the trajectory to smoke until it's too late, until they have contracted a smoking-related disease or death or can't reverse what is going on in