Tuesday, Aug. 22, 2017

Published: Aug. 22, 2017, 10:07 a.m.

b'Derek Black left the white nationalist movement that he had been poised to help lead, betraying his father, a former grand master of the Ku Klux Klan. Today, we talk with him about the events of the past year. For more information on today\\u2019s episode, visit nytimes.com/thedaily.'