"The BBC action-adventure show ‘Doctor Who’ has been around for almost 60 years. From the first episode, which aired November 23, 1963, with William Hartnell as the lead character, it was originally aimed straight at children with no curve-balls other than the character being an alien (Time Lord) who protects Earth and regenerates into a new body which retains all of its memories when he is injured enough to trigger the transformation (which was used to cover for actors being replaced). Until December 26, 2017, when Peter Capaldi’s last episode ended, The Doctor had always been played by a white...