I think that peacekeeping can do quite a lot, if they are given the right mandate with the commensurate resources to get the job done.

I think over time you learn to know a bit more about yourself - you develop a certain amount of self-insight and self-awareness, and you know what you can absorb, and what you cannot; what gets to you and what doesn't.

The war on drugs has failed in West Africa and around the world

If we can come up with innovations and train young people to take on new jobs, and if we can switch to clean energy, I think we have the capacity to build this world not dependent on fossil-fuel. I think it will happen, and it won't destroy economy.

Tony Blair is a very able politician; he's perhaps one of the best of his generation. He made a major contribution in many areas, but in Iraq I believe he got it wrong. He got it wrong.

Young people - with their dynamism, their energy and their inherent understanding of our interconnected world - have much to teach us. Increased educational attainment, advances in technology and the spread of information have made this generation the best educated, most connected and most informed in history

We're all human. After 10, 15 years you get tired, you run out of steam and ideas, you have to give a chance to somebody else. And whether you yourself are inclined to stay on, all those around you are pushing you to stay on for what they will gain.