Expanding on a chat Bill did with viewers in January, he offers his views on the Oscar-nominated film and his recollections of President Lyndon B. Johnson from 1965.

Rooted for 75 years in the labor, civil rights and Black Power movements, the 99-year-old activist challenges a new generation to redefine revolution for our times.

In this excerpt from The John Carlos Story, the bronze-medal winner recounts what went through his mind before his racial protest at the 1968 Olympic Games.

Grace Lee Boggs dedicated her life to helping to realize King's vision of Beloved Community in her hometown of Detroit and elsewhere around the country, one grassroots project at a time.