Nihilism — what one might think would be a rare pathology — is flourishing in the United States, evidenced by the wanton abdication from moral responsibility of House Speaker Kevin McCarthy, the histrionics of self-promoting demagogues-in-training like Tucker Carlson, Ron DeSantis, and Marjorie Taylor Greene, and the cynical investigations and faux-serious diversions of Republican-run House committees featuring miscreants like Matt Gaetz and Jim Jordan.