Revisited: Did the assassination of JFK kickstart the conspiracy theory movement?

Jonathan Freedland speaks to Prof Kathryn Olmsted, author of Real Enemies: Conspiracy Theories and American Democracy, World War I to 9/11 about why the assassination of JFK spawned dozens of conspiracy theories that have persisted for decades? Because of industrial action taking place by members of the National Union of Journalists at the Guardian and Observer this week, we are re-running an episode from the archive.