David Aaronovitch has always been fascinated by the absurdity of conspiracy theories, from allegations that the moon landings were fake, to the attribution of the 2004 tsunami to Israeli nuclear tests. We seem unable to accept that some events might just be accidental or that authorities may not be systematically corrupt. Jews have all too often been assigned responsibility for the worst offences, from those alleged in the Protocols of the Elders of Zion to 9/11. Who better to discuss these i...