David Hammond is articulate, well-educated and seemingly thoughtful. He is also paranoid. And the harder he works to convince others that the U.S. government orchestrated the Sept. 11, 2001 attacks, the more paranoid he becomes. “Thing is, I’ve received e-mails,” he says, without further explanation. “And I accept the fact that my phone is probably … Continue reading They Believe: 9/11 Truthers Spin Shadowy Conspiracy Theories