Mad Men is hooked on cigarettes. And it just can’t stop. And, as an audience, we’re exposed to the underbelly of vintage cigarette ads. In the first scene of 2007’s pilot–set in 1960 and titled “Smoke Gets in Your Eyes”–Don Draper talks with a waiter about Old Gold vs. Luckies. He shortly learns that they’re all poisonous. The theme continues, wafting through Don’s controversial “Why I’m quitting tobacco” ad to the last scene from this past season, when he lights up while ent