It's very personal in California to live within hours, and sometimes just a few miles, of earthquake faults when nuclear plants were being built.

Some people are caricatures of themselves, and some people keep people coming back and keep themselves growing. Otherwise, the fans would get bored.

You know, a lot of people feel that sobriety is about just stopping using whatever it was that you appeared to be addicted to, but it really has to do with a way of looking at your life and taking accountability.

I grew up in Los Angeles in a Quaker family, and for me being Quaker was a political calling rather than a religious one.

Part of the reason I had such a drive to be an activist, and support other activists, is because I was raised Quaker and my parents kept us very much informed and involved as kids in civil rights and the conservation movement.

In 1967 I entered Harvard as a freshman, confident - in the way that only 17-year-olds are - that I could change the world. My major was African Studies, and my plan was to travel to Tanzania, where President Julius Nyerere was creating a government based on democracy and socialism.

I just play the music that I love with musicians that I respect, and fortunately, I'm in a position where people are willing to play with me, and perhaps I can do something to help them.