Success is not about who never fails. It is about who can spring - or even stagger - back up.

I think we do have an interest in combating states that try to cross borders and steal parts of other people's country.

The key to U.N. reform is giving Americans a clearer picture of what the U.N. is and what it isn't, what it can be and what it can't be.

My basic feeling about military intervention is that it should be a last resort, undertaken only to stave off large-scale bloodshed.

American decision-makers must understand how damaging a foreign policy that privileges order and profit over justice really is in the long term.

When I wake up in the middle of the night when I hear one of my kids coughing or crying, I think about Syria.

Countries that intervene militarily rarely do so out of pure altruism.