In a forceful opinion column published Monday, Rich Lowry of National Review sounded the alarm over what he perceives as a rising tide of antisemitism within core segments of the conservative movement—most prominently through the actions of Tucker Carlson and Candace Owens. Lowry argues that if this moment goes unchallenged, conservatism risks being morally and politically “poisoned.” Lowry begins by highlighting Carlson’s recent interview on his podcast with Nick Fuentes, a white-nationalist influencer who denies the Holocaust and openly admires Stalin. According to Lowry, the exchange — in which Carlson persistently avoided meaningful pushback — was less of a serious...