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.

We, therefore, here in Britain stand shoulder to shoulder with our American friends in this hour of tragedy, and we, like them, will not rest until this evil is driven from our world.

I think the journey for a politician goes from wanting to please all the people all the time, to a political leader that realises in the end his responsibility is to decide. And when he decides, he divides.

I always say, when they ask me about American politics, is for you guys to decide who you elect.

The relationship between Britain and the US is fantastically important when confronting terrorism.

There's a deep affection and respect for the Queen and the monarchy in the U.K. But Diana was an extraordinary, iconic figure and her death sparked a fierce reaction, part grief and part anger at her being taken away. It was very fraught.

One of the paradoxes of globalization is that, in the developing world, we've seen massive reductions in property.