Here, as with Don’s false identity and (literally) meretricious mother, Mad Men keeps telling you what to think instead of letting you think for yourself. As I watched the first season, the characters and their milieu were so unrelentingly repellent that I kept wondering whether the writers had been trying, unsuccessfully, for a kind of camp—for a tartly tongue-in-cheek send-up of Sixties attitudes. (I found myself wishing that the creators of Glee had gotten a stab at this material.) But the creators of Mad Men are in deadly earnest. It’s as if these forty- and thirty-somethings can’t quite believe how bad people were back then, and can’t resist the impulse to keep showing you.