The Daily is revisiting our favorite episodes of the year \u2014 listening back, and then hearing what\u2019s happened since the stories first ran. Today, we\u2019re going back to a conversation that first ran this summer, two weeks after a white supremacist rally in Charlottesville, Va. turned violent and right after President Trump drew intense criticism by saying there were \u201csome very fine people on both sides.\u201d Guest: Derek Black, who had been poised to lead the white nationalist movement but then left, betraying his father, a former grand master of the Ku Klux Klan. For more information on today\u2019s episode, visit nytimes.com/thedaily.