The filmmaker, Ken Burns, called America's national parks our "best idea" in his six-part study of the history, philosophy, and status of our natural preserved landscapes. It was one of the most popular documentary films aired on public television. One segment included a conversation with Shelton Johnson, a park ranger of African and Indigenous American ancestry who grew up in Detroit, a city far removed from these wild parklands. Johnson made a strong call to expand the visitor base to the ...