There’s been a lot of conversation about Tucker Carlson and Nick Fuentes lately, but everyone should spare a thought for Candace Owens. On her eponymous podcast, Candace, the crackpot influencer has been conducting an “investigation” into what happened to Charlie Kirk at Utah Valley University that is another symptom of how far off the rails a segment of the right-wing media ecosystem has gone. (Owens is too foolish even for Fuentes, who says she defines “low-IQ antisemitism,” although Carlson has her on his podcast for friendly interviews.) The Owens probe is about as serious and likely to bear fruit as...