My view is that we're entering into a situation of enormous instability, insecurity, fragility.

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.

I think I made the wrong career choice

I am a pretty straight sort of guy.

My view always is that we should learn the lessons, both of the last sort of 50 years of policy-making and it is possible to get to a foreign policy that is engaged and active without going back to where we were in the post-9/11 world.

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.

Any parent wants the best for their children. I am not going to make a choice for my child on the basis of what is the politically correct thing to do.