You choose your own reality and you - social media then amplifies those conspiracy theories. So that's why I say social media is itself a revolutionary phenomenon.

Obviously it is right that the Afghans take responsibility for their own future in the end, but they need to know and feel that we are there as partners for them if they are prepared to make the necessary changes. But we should be in no doubt as to why we are in Afghanistan. We ended up there because terrorism hatched there erupted thousands of miles away in New York on Sept. 11.

The kaleidoscope has been shaken. The pieces are in flux. Soon they will settle again. Before they do, let us re-order this world around us.

I think I made the wrong career choice

The problem is some of the populism on both the far left and the far right, it can make a Tweet but not make a policy. And, you know, when you are dealing with issues that are as important and serious as this, I understand why people search for simple solutions.

You wouldn't be human if you didn't feel both a sense of responsibility and a deep sadness for those who have lost their lives.

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.