Why do a non-trivial number of Americans believe that President Obama faked his birth certificate, or that 9/11 was an inside job, while just over the border to the north conspiracy theories are a rarer thing? Canadian journalist Jonathan Kay, author of the book Among the Truthers, has an explanation—and, though it's not a conspiracy theory, it does involve the Queen of England.

You can watch the whole conversation on BhTV.

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