In October 2014 Bill Cosby was in the middle of a career resurgence. His biography by former Newsweek editor Mark Whitaker had just come out to rave reviews and was climbing the bestseller list. He had a comedy special coming up on Netflix and was in development with NBC to star in a family sitcom. He was about to embark on another comedy tour based on a special that had aired on Comedy Central the year before. The special, Far from Finished, was Cosby’s first stand-up TV special in three decades, and it attracted two million viewers. It was as...