The story/chapter relates the young protagonist's tragicomic experiences in the audience of a local cowboy TV show, circa 1953. The illustration here is the one Tom Jackson did for the book, showing the giant old TV camera and the tin badge on the pretend-ranger's shirt.
The audio is embedded below. To read the magazine editor's short introduction to the clip and to find a link to the original story, go here.
And, if you're impressed, you can click here to buy the whole book.