doctor pangalos, that's a mistake, pangalos is a pessimist, he said we live in one, the best of all possiblere optimistic than doctor pangalos? pangalos was a a defender of the belief that god was incapable of making the world any better than the way we find it today. just go back to climate change, we are not on track to solving the problem of climate change, there's no doubt. i'm not an optimist in the sense that everything will all workout. we're almost out of time but in essence you always are. here's my invitation to you at the end of this programme, some people today look at where we are with climate change, for example, or indeed with nuclear proliferation, and in particular the nuclear stand—off right now with donald trump's united states administration and north korea, and they think to themselves, we've probably never been closer to seeing existential threats to humanity come to reality, but your worldview would suggest we have it within us always to avert those accidental threats?|j to avert those accidental threats?” think there is an imperative to see our way through to avoiding