I'm sorry, but not only is making smoking illegal asinine, but banning it in open, public places is too. Gee, sure sorry that your sense of smell is being bothered, shall we make farting in public illegal too? How about other things that might offend your senses, like say, use of language in public people might not like? And no, before anyone says that second-hand smoke is dangerous, someone smoking outside a store that you walk past is not going to give you lung cancer, that's not how that works at all. Prolonged exposure has been thought of to be potentially dangerous, but even then, it's not been 100% proven (admittedly, that's probably because the government has, at least until last I heard, not bothered with testing because then they might have people like the OP demanding cigarettes really are outlawed, and then you'll run into a few billion less dollars in taxes/campaign contributions. What was I saying again?).
Bottom line, you don't like it, it's not actually hurting you, so stop being so damn sensitive. The government is not your mother, and you are not mine - so all you Bloomberg inspired people seriously need to learn to live and let live... or die of cancer. Whichever.
PS: I do however think that if you own a store and don't want people smoking infront of it, that's your right, and posting signs saying "If you're smoking, you're trespassing" and the like are 100% acceptable. In short, property rights, personal responsibility, and all that jazz.