Adam Curtis’ (The Power of Nightmares) latest documentary is currently being shown in the UK. It traces libertarianism to the Cold War, number theory and the rise of the self.
The title refers to a version of the prisoners’ dilemma developed by John Nash who is interviewed in the documentary and was the inpiration behind Ron Howard’s clawing ‘A Beautiful Mind’.
Part 1 is below, the remainder of the series hasn’t yet aired.