A cabinet secretary fretting about his daughter’s university choice might once have been considered a private family matter. In Donald Trump’s America, it has become official content. US transport secretary Sean Duffy recently appeared with his family in a road trip series carried on the department’s YouTube page. In one episode, his daughter, Paloma, said if she were admitted to Harvard University, she would probably urge her parents to let her attend. Duffy, however, warned the university had...