For you Oscar watchers at home, NPR follows up on a memorable Academy Award moment, when Hattie McDaniel won best supporting actress in 1939 for her role as Mammy in a little film called Gone With the Wind. Emotionally overcome during the ceremony, McDaniel told the Academy and Oscars watchers, “My heart is too full to tell you just how I feel.” McDaniel maintains the recognition—but she didn’t keep the award. Late in her life,…