O.J. Simpson was primarily interested in O.J. His rise to fame in the late '60s coincided with the period where black athletes were more outspoken and political than in any era. You're talking about the generation of black athletes that came about after Jackie Robinson. Athletes after that were just happy to find a place in sports. But when you got to the mid-'60s, you had athletes like Jim Brown and Muhammad Ali, who were very outspoken on the issues of race and civil rights.