Perhaps I'll just speak to the renormalization issue.
Research on renormalization is emerging right now, so we don't really have that much yet. However, what we base our concerns on is a lot of evidence in terms of human psychology and modelling behaviours. We know that modelling smoking among kids—when they see adults smoke—is an issue. It has an impact, and there is a lot of evidence on that.
So it is not a far-flung conclusion for public health experts to say that renormalization could be a potential issue. We'll know a lot more in the next two years or so, as more research comes out specifically on renormalization with e-cigarettes.
However, if you do look at research in other areas, in psychology, etc., it's very valid to be concerned about renormalization.