For years recognized as the world's best-known athlete, Muhammad Ali played a fascinating role in American culture, with an influence that reached far beyond sports and, in many ways, defined his times. Ali the boxer stood side by side with Ali the vocal Black Muslim, Ali the cultural force, Ali the anti-war protestor, Ali the celebrity, Ali the narcissist, and more. In Muhammad Ali, the People's Champ, experts unpack Ali's various incarnations...