"Porn is just another form of entertainment now." The speaker, an 18-year-old concession-stand worker named Ben Meredith, was explaining to a Los Angeles Times reporter why virtually no young people were trying to get in to see "Inside Deep Throat" at an Orange County, Calif., theater. Given the rating (NC-17) and the subject matter (the making of the notorious 1972 movie "Deep Throat") one might expect to find some curious teens infiltrating the theater – or at least trying to. Instead, the Times reporter writes, the audience was "overwhelmingly middle-age" and "not a young person was in sight." Which didn't...