In our final episode David and Lea discuss liberation movements, from post-colonial liberation to women’s liberation, gay liberation and animal liberation. What, if anything, do these movements have in common? Is liberation about equality or is it about difference? And who needs liberating next – children?

You can hear our bonus episodes for this series by signing up to PPF+ www.ppfideas.com In the first bonus episode – available now – David and Lea answer listeners’ questions about AI, technology, online surveillance and brains-in-a-vat: what happens to freedom if we’re living in a computer simulation?

Coming next our brand new series: The History of Bad Ideas, beginning with Adam Rutherford on eugenics.

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