Look, I am very competitive.

There is good evidence that last year's European heat wave was influenced by global warming. It resulted in 26,000 premature deaths and cost $13.5bn.

The big issue of our time is trying to deal with extremism based on a perversion of religion and how you get peaceful coexistence between people of different faiths and cultures.

I think social media is a revolutionary phenomenon all in itself.

Can we be sure that terrorism and WMD will join together? If we are wrong, we will have destroyed a threat that, at its least is responsible for inhuman carnage and suffering. That is something I am confident history will forgive. But if our critics are wrong and we do not act, then we will have hesitated in face of this menace, when we should have given leadership. That is something history will not forgive.

They could have been removed. They could have been hidden. They could have been destroyed.

A lot of the politics that is going on left and right at the moment is more about a protest, which we should respond to. It's not often about a policy. And that's why what you get is this strange coalition of different views of what the future should be, coming together in alliance to protest against the status quo.