This Slate article describes a scenarios exercise, where a group explored different bad futures for the United States. It's a fun article for futures studies and Gothic stuff alike.
It's attached to a fun little exercise, a sort of "Choose Your Own Apocalypse":
The main focus of Josh Levin's article is a single day of brainstorming, led by GBN:
The article also heads off towards Robert Wright, Igor Panarin, and the Institute for the Future. The latter's Jamais Cascio gets his turn to describe several 50-year scenarios:
Cute note about futurism: "Most scenario-planning sessions end with the world stuffed inside a grid."