Banning smoking in cars is intrusive but right...so I voted for it

Last night we had a debate on smoking in cars when children are present. I voted in support of the proposal to ban this, which was comfortably carried. Much of my reasoning is set out in the article on Monday by Boris. http://www.telegraph.co.uk/news/politics/10627576/Banning-smoking-in-cars-is-bizarre-intrusive-and-right.html