Caught up in conspiracies.

Glenn & Helen interview David Dunbar and Brad Reagan, the Popular Mechanics guys who wrote "Debunking 9/11 Myths: Why Conspiracy Theories Can't Stand Up to the Facts." I'm especially interested in the speculation about why people become caught up in conspiracy theories? Now that I look at that question, I feel that it seems to answer itself. Why am I "especially interested" in speculation... theories? The mind wants to play...