Public action should seek to expand the set of opportunities of those who have the least voice and fewest resources and capabilities.

I mean, we're going to probably debate the Iraq war for at least as long as I'm alive.

If the Arab world today looked like Tunisia, it would be a huge blow for the extreme ideologies. But Tunisia needs more support than it is getting, particularly from their close neighbors in Europe who have a great stake in North Africa.

I certainly think it's important to speak up and say how unacceptable Donald Trump is. I'm always more than willing to do that.

NATO is still the most remarkable alliance in history. It stuck together through 40 years of Cold War, and it then joined together to fight in Afghanistan. In the 1980s, I would not have thought this was going to be possible.

I'm constantly asking for alternative views on most things that come to me.

It's hard to conceive that it would take more forces to provide stability in post-Saddam Iraq than it would take to conduct the war itself and secure the surrender of Saddam's security forces and his army. Hard to imagine.