It may be hard to remember how difficult it was for people to talk about HIV/AIDS back in the 1980's and because of both Ronald Reagan and Nancy Reagan - in particular Mrs Reagan - we started a national conversation, when before nobody would talk about it, nobody wanted to do anything about it. Something that I really appreciate was her very effective but low-key advocacy, but it penetrated the public conscience, and people began to say "hey we have to do something about this too.

The best way to help Israel deal with Iran's growing nuclear capacity is to help the people of Syria overthrow the regime of Bashar Assad.

I won the youth vote in Massachusetts and in California. I did very well with it in Ohio.

I think there has to be a recognition that, you know, there's so much at stake now, I mean, the business has changed so much and decisions are made so quickly, in nano seconds basically.

We know that Donald Trump has shown a very troubling willingness to back up [Vladimir] Putin, to support Putin, whether it's saying that NATO wouldn't come to the rescue of allies if they were invaded, talking about removing sanctions from Russian officials after they were imposed by the United States and Europe together, because of Russia's aggressiveness in Crimea and Ukraine, his praise for Putin which is I think quite remarkable.

I served on the budget committee in the Senate, and I remember as vividly as if it were yesterday when we had a hearing in which Alan Greenspan came and justified increasing spending and cutting taxes, saying that we didn't really need to pay down the debt - outrageous in my view.

We currently have a system for taking care of sickness. We do not have a system for enhancing and promoting health.