Olivia Nuzzi, the political journalist who left her job at New York Magazine over her relationship with Robert F. Kennedy Jr., details in her new book her distaste for any jokes about Kennedy’s brain worm. In the excerpt from “American Canto” shared with Vanity Fair , Nuzzi, who only refers to Kennedy as the Politician and not by name, writes that she did not like to think about the worm in Kennedy’s brain and that sometimes he would joke about it with her. But she adds that he told her there