HARDtalk - Professor Martin Seligman

What makes human beings happy? Philosophers have wrestled with the question for millennia, now it has acquired a political edge. Politicians are vying to develop policies which maximise wellbeing and quality of life rather than simple economic growth. Martin Seligman is internationally renowned as the founder of positive psychology. Stephen Sackur asks whether his research into happiness is 'psycho-babble' or the key to a better world.