Affirmative action” means hiring people because they can’t do the job well. Near-synonyms are “diversity,” meaning groups that cannot do the job well, and “inclusiveness,” which means seeking people who you know cannot do the job well. These underpin American society, and have ruined education. For some time the sciences seemed less susceptible to the prevailing enstupidation because mathematics would present an impenetrable barrier to the the insufficiently bright. This, astonishingly, is changing. The sciences are being dumbed down to–are you surprised?–spare the feelings of included affirmative diversity. As a matter of observable–if, to many, unwelcome–fact, virtually all of the...