I mean the prime case that you can look at is Martin Luther King, who was only an activist for 13 years. But every year, he became deeper, more concerned, connecting more issues.

One of the things that's complicated about writing anything is that it's an act of narcissism, and then of course once it sails out into the world, you have to let go of it.

You will be raising these kids in your mind your whole life. And they will change you. Your little contribution to it - twenty years from now, they'll be marching off into other things and that's still the legacy you leave.

I think I am a radical. I have never deviated from that. By radical, I mean someone trying to go to the root of things.

We were very excited and we brought speakers in – then it so happened that there was a marine recruiter in the center of campus and one of our brothers, one SDS person put up a sign with a quote from the Nuremberg trial and an arrow point at the marine recruiter, saying, "This man is a war criminal." My younger brother and I, he was freshman and I was a sophomore, got caught up in the debates that were swirling around the center of campus and the young Trotskyists had put out a fact sheet on Vietnam that was phenomenal.

We have arguments [with my father] and we had a lot of arguments in the years when I was at Michigan.

Andrew Breitbart, self-described media mogul, had several screws loose or missing and was the grinning bomb-thrower of the radical right. He was the attack dog kept on a tight leash and brought out on special occasions to hiss and to menace.