One Night in Miami, the directorial debut of Regina King and the movie adaptation of Kemp Powers’ acclaimed 2013 play, is an unusual piece of historical fiction: A setting and context of circumstances that were all real come together to provide a backdrop for an entirely imagined conversation. Much of the movie consists simply of four monumental American figures revolutionary Malcolm X, singer-songwriter Sam Cooke, athlete and actor Jim Brown, and fighter Muhammad Ali, then still going by Cassius Clay gathering in a small hotel room on the night of Feb. 25, 1964, each grappling with a significant turning point in his life that would come to alter the course of history. It’s a fascinating, if flawed, view of a particular moment most of us know very little about: what these men actually discussed with one another when they happened to have some hours to themselves, as the turbulence of the ’60s overshadowed everything. According to the Miami Herald, Powers first heard of this imp