Look, I think the notion that theres a dogma or doctrine of foreign policy that gives you a textbook recipe for how to react to all situations is really nonsense.

We are already seeing a degree of instability in the world because Obama seems to have consciously wanted to step back. Donald Trump is going to be "Obama squared," a more extreme version of the same thing.

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

The use of force to liberate people is very different from the use of force to suppress or control them, or even to defeat them.

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

Islamic State is mainly a direct result of the failure in Syria. That's where IS has grown. That's where IS spread from.

It's a very bad thing when people exterminate other people, and people persecute minorities.