Iraq is a long way from the U.S., but what happens there matters a great deal here. For the risks that the leaders of a rogue state will use nuclear, chemical or biological weapons against us or our allies is the greatest security threat we face.

It takes more than one dove to make peace in the Middle East.

The day-to-day making of policy is arguing all the time. You're trying to get the right approach and the right answer, and there are moments that aren't very pleasant. But in the end, you look at the overall product.

I have always thought of myself as a Czechoslovak Catholic.

Foreign policy is now a huge field. It isn't just people who are studying political science. There are so many aspects to it in terms of understanding hard science for people who are studying climate change, or people who are interested in health policy or food security, or people who care about education.

One of the things that was really an issue was I did not want to just be a woman secretary of state. I wanted to be a secretary of a state who was a woman, but not just chosen for that particular reason.

I have always seen the United States as a force of good. And I have learned that there is the idealistic part about what we can do at the U.N. and there is a doable part. And I have learned what is more doable.