I know that this is a blog of art, not a music blog. But there are at least two reasons why I can not resist this legendary sharing video conferences Norton Leonard Bernstein 1973: 1. It was one of the best explainers on the planet, and 2. His thoughts on the metaphor is universal enough to apply to those of us who draw pictures and write stories.
More On Bernstein website link.
New York Times review of the DVD release, link.