Politicians exaggerate, but understatement is a rarer quality. When in June Mitt Romney witheringly likened the conspiracy theory that last year’s presidential election was stolen to professional wrestling, the Republican senator from Utah might not have realised quite how apt the comparison is. Wrestling and conspiracy theories have much in common. Both tell improbable stories of cartoon villains and larger-than-life heroes. Convoluted but compelling plot lines are woven together to create a world of drama and intrigue more engaging than humdrum reality. They even share some of the same cast.[…]