"In 1964, a young boxer named Cassius Clay ("the Louisville Lip") won an upset victory over Sonny Liston. Later that year, Clay changed his name from Cassius Marcellus Clay Jr. to Cassius X, then to Muhammad Ali. Ali initially joined the nation of Islam (promoting "the Honorable" Elijah Muhammad and Malcolm X) and refusing to be drafted into the Vietnam War. In interviews, Ali said that he changed his name because "Clay was a white name" and "a slave name," while "Muhammad" and "Ali" weren't. Ali eventually left the Nation of Islam and became an orthodox Sunni Muslim, though still...