This year at the Festival, Americans will see some venerable and wonderful North American institutions--a medicine show and a Caribbean-style Carnival. Some traditional aspects of these performances, however, will not be seen on the Mall because we have asked the performers not to show them. Rather than exercise a silent censorship, we decided to bring the discussion to you, the public, and explore a rare part of our national heritage that we do not wish to put on the Mall. We are speaking of ethnic stereotypes--here mainly of American Indians--that are often presented through acts and costumes in the entertainments we feature this year. ...