Oprah Winfrey and Brad Pitt are teaming up to adapt The Water Dancer, the best-selling novel by Ta-Nehisi Coates, for MGM. Winfrey’s Harpo Films and Pitt’s Plan B are producing along with Kamilah Forbes, who previously developed and directed the theatrical event of Coates’ Between the World and Me at the legendary Apollo Theater and Kennedy Center. Coates adapted his …