Watch Free Online HD Moviesjoy. In the wake of the demonstrations during the 1968 Democratic Convention in Chicago, the city produced a white wash entitled "What Trees Did They Plant?" TV Stations that broadcast the film had to offer equal time to those speaking in opposition. One group was the Youth International Party or Yippies who produced this film. Paul Krassner wrote the script. Some classic film footage was re-mixed with footage shot during the demonstrations.