Most progressive in the Democratic Party doesn't cut it, you know. If we still can't have a health care system that provides health care as a human right, if we still cannot, you know, ban fracking and fossil fuels and move like our lives depend on it - you know, we say in the next 15 years we need to phase out fossil fuels.

Is there's always an idea that the party will continue the movement but that movement always dies inside the Democratic Party.

We've got a lot of down-ballot candidates that are also being lifted up by this campaign [for Presidency in 2016]. If we don't take a stand at some point and begin to stand our ground, we are never going to begin to move forward. We've got to do that.

There is no such thing as a survivable or local nuclear war.

On the other hand, there are plenty of red flags that link developmental disabilities to things like lead and mercury and pesticides and air pollution and certain kinds of unhealthy foods, and that's what's begging for a comprehensive and definitive study. We should have a long-term prospectus study that looks at all, you know, exposures, medications, life habits, etc., pollution, and traces people over a period of many years, starting with when - starting with their parents, from when they are healthy. This is how we learned what causes heart disease.

We also call for a freeze on the bank accounts of those countries, including our allies, with due warning.

I'm very careful not to isolate Israel on this but to make this part of a transformed foreign policy where we apply the same standards across the board. So it's not just Israel. It's also Saudi Arabia, it's also Egypt. It's where there are massive and systemic violations of human rights and international law.