I'm trained as a medical doctor - that's my field: I've been practicing long enough to see how extremely broken our health care system is, how broken our health is, the link between that and the environment.

Jack Geiger, for example, was a leader of that movement. He was part of Physicians for Social Responsibility, which was kind of one of the ways that I worked my way into social activism in medicine.

By the time we complete the care for the wounded soldiers, $6 trillion, that's $50,000 per American household.

I feel like that is saying to young people, "You have no chance of ever getting out of debt in your life, right?" Personally, I think that the role of the press is to ensure that the American public understands who their choices are.

I should mention there are many European countries right now that already protect children from Wi-Fi, so it's not like this is some preposterous idea. This is already embraced by many countries all around the world. I don't think it is preposterous to suggest that public health needs greater protection in this country, especially that of children, among whom there is a rising tide of brain cancer right now.

I think it's really important to look at the walk and not the talk, and if you look at the walk, our paths [with Hillary Clinton] are extremely divergent.

That is potentially putting us all in the target hairs now is the reactivation of a new nuclear arms race. This arms race and this cold war is potentially hotter than it's been at any time in my lifetime.