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.

You don't know what the real problems of a health care system are until you get sick.

As I came through medical school, it was very exciting because physicians were reaching out to each other, between the U.S. and the Soviet Union, and sort of helping to build bridges among, you know, people, people who were not allowing our government to pit us against each other and to actually take us to the brink of nuclear war. And Physicians for Social Responsibility wound up getting a Peace Prize, a Nobel Peace Prize, which they shared with International Physicians for the Prevention of Nuclear War.

There are potentially hundreds of billion dollars, potentially more, that could be saved by moving to a clean energy system. Studies [on healthier diet] show those savings, in fact, are enough to pay the costs of creating 100% clean renewable energy.

That was like the moment of revelation for me that in fact we are not the lunatic fringe.

The politics of fear has brought us everything we are afraid of, including the endless wars, the collapsing economy - all the rest.

There is no evidence, that I am aware of, that points to a link between vaccines and developmental disability.