How far has the United States gone down the road of punishing people for uttering politically incorrect thoughts? Very far indeed, as an incident at the University of Louisville shows. Yes, we know that faculty in the “soft” fields of the social sciences endanger their careers if they happen to say something that upsets someone of “progressive” sensibilities, but the Louisville case involves a (formerly) esteemed medical school professor. Evidently, no one is safe from the PC enforcers. Dr. Allan Josephson has been in medical practice since 1976, specializing in childhood psychology. In 2003, has was chosen to be the...