We've been a country that's been fortunate to be protected by two oceans, to not have serious attacks on our territory for most of our history. And we were unfortunately reminded in a very devastating way of our vulnerability.

I have no doubt that as the Iraqi security forces get better, and they are getting better and they are holding territory and they are doing these things with minimal help, that we are going to be able to bring down the levels of our forces. And I have no doubt that that's going to happen in a reasonable time frame.

You know, as Secretary of State, I've been privileged to represent this great country, and I know its strengths, and I know its challenges. One of its strengths is the belief - here and abroad - that this is a place where you get ahead on merit. It doesn't matter where you came from; it matters where you're going.

But the truth of the matter is, we're an open society, we want to remain an open society, and there will continue to be vulnerability. That's why we have to meet the threats when they are not yet taking place on our territory and on our soil.

People want to psychoanalyze me, but the fact is, I'm not that complicated. I'm pretty straightforward. And I'm not all that self-reflective, because I tend to be a doer.

What surprised me was the angst at our democracy. And I understand it - I teach at a university and feel it in my students - but what I've tried to say to people is that we have amazing institutions, but nobody ever said we were perfect. We struggled before and we're struggling now, and we're going to struggle every day. We're a work in progress. That's why the American experience is so important for us to remember, and for us to be a beacon for others to enjoy those same rights.

I feel that we're dividing along class lines for the first time in our history. Now one thing that has happened in this reaction to globalization is that the elites are not respectful of the values of those who are ordinary citizens, so we seem to be dividing ourselves into ever-smaller identity groups, each with its own narrative, each with its own grievance, and that's a problem.