Facing Ali (2009) was a great follow-up to When We Were Kings. Pete McCormack’s documentary features interviews 10 fighters who faced Ali in the ring throughout his career, including George Chuvalo, Sir Henry Cooper, George Foreman, Joe Frazier, Larry Holmes, Ron Lyle, Ken Norton, Earnie Shavers, Leon Spinks, and Ernie Terrell. Facing Ali is as…