Close your eyes and imagine this… Imagine if our culture was taken to the -nth degree, to its logical end. Maybe Lady Gaga is president. Maybe digital devices hang in front of our faces, precluding any unmediated communication. Maybe our nations war over water. Maybe norms about intimacy and privacy have melted. And maybe our speech has deteriorated into grunts, slang, and chuckles. If North American culture keeps it up, we could be in big trouble. Our culture is infatuated with stars like Justin Bieber, and our top TV show is even called “American Idol.” We revel in Charlie Sheen “winning.” Our king is LeBron. Chatroulette and PostSecret spotlight our basest tendencies and hidden shames. College grades are inflated. Polar...