The United States of Paranoia: A Conspiracy Theory

Updated at 11:04 am on 14 October 2013

Jesse Walker, a senior editor at Reason magazine, who's written The United States of Paranoia - the history of conspiracy theories in American culture and politics. Why paranoia is so popular and why it's so dangerous.

From Jesse Mulligan, 1–4pm

This story was broadcast on Monday 7 October 2013

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