Watching the near collapse and resurrection of actor, rapper, and TV host Nick Cannon’s career in real time has been a masterclass in reputation rehab. After Cannon was heard spouting anti-Semitic Louis Farrakhan talking points on his podcast Cannon’s Class, Rabbi Abraham Cooper, associate dean of the Simon Wiesenthal Center tweeted, “Anyone seeking a Ph.D. in Jew-hatred should watch this ‘interview’ in its entirety.” The SWC regularly points out hate speech, but in this instance, a media storm of condemnation followed culminating in ViacomCBS severing their relationship with Cannon....