I heard an interview with the guys who do South Park that for their 9/11 conspiracy episode they were considering making the real culprits the American flag manufacturers, because they clearly benefited the most.
American flag manufacturers
So... China?
(Since there didn't seem to be one for this month, and I just ran across a nice quote.)
A monthly thread for posting any interesting rationality-related quotes you've seen recently on the Internet, or had stored in your quotesfile for ages.