Americans have a hard time ignoring things. On the freeway, for example, any time there’s a car on the shoulder, everyone in front of me has to slow down and look. If there’s a tow-truck over there—wow, fascinating!—count on being an hour late for wherever you’re going. TVs in public are another thing Americans can’t seem to ignore, no matter what they’re showing. The hardest thing for Americans to ignore, however, is sex. And not just sex, but anything distantly or vaguely connected to sex. For people who don’t want to think about sex, but who can’t ignore things that…