As riots erupted and smoke billowed from black neighbourhoods in the wake of Martin Luther Kingâs assassination, Robert F Kennedy met with black activists, politicians, and celebrities in a hotel suite âto tamp things down and divine what should come next,â writes David Margolick in âThe Promise and the Dream: The Untold Story of Martin Luther King, Jr and Robert F Kennedyâ. In this excerpt, Margolick examines Kennedyâs response to the killing â and his belief that he, too, would die by an assassinâs hand.