A short animated film about the 1943 detroit race riots and how rumors played a role in it. RUMOR Discussion film on prevention of rumors Drawn by the celebrated cartoonist, Robert Osborn, this highly original, animated film traces the development of an idle rumor into a city-wide riot, and poses the question What Defense Against Rumors? Pro- duced with the cooperation of the Anti-Defamation League of B'nai B'rith. One of the Challenge films designed as discussion springboards.