Historical precedent, eyewitnesses, academic experts — these are among the tools that critical thinkers use to verify facts and give credibility to their arguments. And yet, misuse of these same principles provides the foundation for widely accepted conspiracy theories.  

Why does the public often prefer wildly improbable half-truths to the demonstrable facts of history? This week on Skepticality, Swoopy talks with award-winning journalist and author David Aaronovitch about his book Voodoo Histories: The Role of Conspiracy Theory in Shaping Modern History. Deconstructing both well-known and obscure conspiracies, David illuminates how such far-fetched claims come to be believed.