Breaker, trick rider, picador, and the heavyweight ring’s fastest jockey, Ali has made ring time canter and canter, bow, leap over giant bushes, and move so much in his own terms that time became mutual with his grace, Truly the Professor of Boxing, he elasticized his profession, made daring and cunning and mystery part of the craft. Did we ever wonder as much during anybody else’s fights what the champ was thinking?