Everyone - even those who utter it with contempt - uses the word 'God'. But we don't all use it in the same way. Indeed, you could argue that we talk past each other more often when we talk about God than when we talk about any other topic. So what do we mean when we talk about God? What does the word even mean? Is the God of the philosophers the same as the God of the religious? Or indeed the God of the atheists? In this week's episode, Nick Spencer speaks to philosopher and theologian David Bentley Hart about his book 'The Experience of God: Being, Consciousness, Bliss'