Part 1 (Normative Ethics, Bentham and Mill, pleasure and pain).  Part 2 (37min55sec - Mill's proof,  act-util vs. rule-util.)  Part 3 (55min15sec - problems: demandingness, pleasure, integrity.)  Paul Moore-Bridger, DaN McKee and Michael Platt chat with Simon Kirchin (Kent). [Music by Alex Grohl]