Oswald in the doorway: the blog of the Oswald Innocence Campaign, by Ralph Cinque

This is a very interesting and unusual article about conspiracy theories from How Stuff Works. It starts off sounding like the usual psychological analysis of conspiracy theorists as being misfits, malcontents, and anti-social paranoids. But, then he gets into the theories, and particularly 9/11, and it sounds like he is granting that there is a sound logical basis for suspecting that the official story is a pile of crap. He walks the line between the two, but in the end, I got the feeling he was saying, "These nutjobs aren't so nutty after all. You ought to seriously consider their arguments. Listen to what they have to say." 

https://web.archive.org/web/20081026075058/http://people.howstuffworks.com/conspiracy-theory.htm