It was a bizarre and emotional courtroom scene, but one occurring with disturbing frequency these days. A popular middle school teacher, 43-year-old Pamela Diehl-Moore, had tearfully pleaded guilty to having sex with a child – a 13-year-old male student who had just completed 7th grade – and now stood before a Hackensack, N.J., judge awaiting sentencing. And what would that sentence be? Considering all the intense media coverage of male sexual predators victimizing female children, one might expect a stiff prison term, accompanied by a withering rebuke. But when New Jersey Superior Court Judge Bruce A. Gaeta opened his...