Unless you're an adolescent male, you have already asked yourself this question, perhaps in the past few days: Is there something wrong with teen girls? Specifically, are they getting too sexy? Barely a week passes without a flash bulletin blinding us with news of another prominent preadult who is in the family way or showing off her underthings. Miley Cyrus, 15, seminaked! Jamie Lynn Spears, 16, pregnant! A bunch of Massachusetts high schoolers all having babies together! It's an epidemic!
Once the idea has taken hold, it's hard to shake off, and the fact that the presidential campaign features a pregnant...