The last weeks of Donald Trump’s successful campaign for president were a festival of crudeness. In light of this, Tucker Carlson’s warm-up act at a Georgia rally late last month was, if notably creepy, still typical of the sunken depths of rhetoric. Carlson offered an extended metaphor in which Trump was an angry “dad” with a household of misbehaving children (a 2-year-old who has smeared “the contents of his diapers on the wall,” “a hormone-addled” 15-year-old girl who has decided to “slam the door of her bedroom and give you the finger”).