The only way you can be comfortable about Donald Trump's foreign policy, is to think he doesn't really mean anything he says.

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.

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

History is just littered with problems that were solved that were supposed to be impossible.

The absence of Saddam is a huge weight off the Arab world.

After a regime is removed, however, it is dangerous to leave a security vacuum.

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.