I think the center ground have got to become the people of change again and not the guardians of the status quo. And that is the weakness it comes to in our campaign. You can see it in your politics, you can see it everywhere.

I also, as I think most people do, have a healthy instinct that if we upset the balance of nature, we are in all probability going to suffer a reaction. With world growth, and population as it is, this reaction must increase.

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.

My office is on Twitter. I don't tweet myself - at least, not intentionally, but I probably should do.

Our ultimate weapon is not our guns but our beliefs...The spread of freedom is the best security for the free. It is our last line of defense and our first line of attack.

One of the things that I've been doing over the past few years is reevaluating my own powers of political analysis.

Values unrelated to modern reality are not just electorally hopeless, the values themselves become devalued. They have no purchase on the real world.