How do we deal with not just the acts of violence, but the extremist ideology that lies behind them? Because though the numbers of fanatics that go and join and kill for a group like ISIS are measured in tens of thousands, those that support the wider ideology, I'm afraid, you measure in tens of millions or more.

NATO's got a vital role to play. It's very important that we protect NATO.

If we take all this actions and if it turns out not be true, we have reduced pollution and have better ways to live, the downside is very small. The other way around, and we don’t act, and it turns out to be true, then we have betrayed future generations and we don’t have the right to do that.

My dad was a militant atheist, or is a militant atheist. My mum was sort of bought up in a religious family because she was a Protestant from Ireland but wasn't especially religious.

I don't think it's surprising we will have to look for them. I'm confident that when the Iraq Survey Group has done its work we will find what's happened to those weapons because he had them.

There are two outstanding issues in democratic politics these days. One is the relationship with the media, which is now 24/7, and operates with a completely different intensity than even 15 or 20 years ago. How do we have a proper conversation between leaders and country when it's moderated sometimes in a very partisan and inflammatory way? And the second thing is the effectiveness of our democracy. How do we get the right gene and talent pool in politics?

Climate change is the world's greatest environmental challenge. It is now plain that the emission of greenhouse gases, associated with industrialization and economic growth...is causing global warming at a rate that is unsustainable.