I used to practice clinical medicine. Now I practice political medicine, because it's the mother of all illnesses.

I mean, our disaster in Libya also unleashed enormous amounts of armaments. We are the world's leading arms dealer, arming all sides everywhere. And have we made the Middle East a more secure place? We're only making it more desperate, more catastrophic and more violent.

I think, charitable foundations are, in general, a good thing.

The Keystone pipeline will spew a massive amount of carbon pollution into our fragile atmosphere. It should be stopped.

According to international law, in order to use force, we need to feel, we need good evidence that we are under imminent threat of actual attack. And I think we need to stand up for international law.

I feel so bad for him [Bernie Sanders]. It's really unfortunate that he's been caught in the crossfire here.

We've got a big happy, one corporate family now uniting the corporate Democrats and the corporate Republicans.