That is your choice, and evidence of a willingness by many to ignore the real slippery slope that has been entered on to.
To her Wall Street owners: Hillary Clinton: “But if everybody's watching, you know, all of the back room discussions and the deals, you know, then people get a little nervous, to say the least. so, you need both a public and a private position.” - Hillary Clinton: "I'm kind of far removed from the struggles of the Middle Class"
a)cigarette smoke is a known carcinogen with links to numerous health problems (including death)
b)opening a window does not actually prevent cigarette smoke from entering the entire vehicle, as any smoker or passenger already well knows.
c)children have extremely limited powers in preventing parents from smoking. Sure, they can ask the parent to stop smoking, but if the parent insists then the child is crap out of luck.
The rest of this thread has been amusing navel gazing, but the above is what's important. As I said earlier, we don't need to bring the slippery slope into this since the ban can be defended on its own merits.
“In politics, stupidity is not a handicap.” -Napoleon