[Barack Obama] was running for Senate and he's saying, I'm not for gay marriage because I'm a Christian. Jump off a bridge! I mean what the hell are you talking about? You know, I mean, what's he doing now? He's evolving. Evolving? Well, evolve for Christ's sake! And this is a guy - the whole gay community, and the whole environmental community and all these other people said, he's our guy.

It felt to me like I was living my life in a way that didn't make mockery of my values. That's what I intended to do. So, that became a very radicalizing proposition for me.

Students for a Democratic Society was also affiliated with the civil rights movement everywhere.

The [Vietnam] war's gone on for three years. And we'd thought we'd ended it because we'd done exactly what we were told and what we told ourselves we'd had to do. We had a majority. We were against the war and this created a crisis for democracy and a crisis for the antiwar movement.

Beginning to dismantle the Pentagon would save $1 trillion a year - a small government proposal if ever there was one.

I suffer from a genetic flaw, which is that my mother was a hopeless Pollyanna.

That's in the nature of social change. So you can analyze what didn't work, but it's very hard to predict what will work.