The article links to an article about Sagans' prediction of the decline of america. Strangely fitting nowadays. > I have a foreboding of an America in my children’s or grandchildren’s time — when the United States is a service and information economy; when nearly all the manufacturing industries have slipped away to other countries; when awesome technological powers are in the hands of a very few, and no one represen…
Sounds like he just read history, noticed repeating patterns, and believed his own eyes. It sucks that makes him some kind of special person, instead of "people" just being the kind of thing that commonly does stuff like that.
The answer to that question lies in the bottom of a cup of hemlock.