In this final podcast from summer 2009, presented by Bristol Festival of Ideas, George Miller looks back at some of the highlights of the 2009 May Festival.

Award-winning writer, Times columnist and broadcaster David Aaronovitch discusses conspiracy theories in connection with his new book: 'Voodoo Histories: The Role of the Conspiracy Theory in Shaping Modern History'; Helen Bamber talks about her long experience of human rights campaigning; and leading novelist and playwright Michael Frayn ponders our ideas and the world around us.

This podcast is 30 minutes long (27MB), and is the final recording in our summer podcast series for 2009. If you would like to hear more interviews with selected speakers from this year's festival, please visit our website at: www.ideasfestival.co.uk.

Presented by Bristol Festival of Ideas (www.ideasfestival.co.uk), in association with The Philosopher's Magazine (www.philosophersnet.com). Interviews by George Miller (http://podularity.com).