So we were ecstatic and we swirled around spontaneously, the campus in Ann Harbor and about 4,000 of us landed on the steps of the president of the University of Michigan's home.

I dropped out in '64. And I came back to Michigan, in '65. In 1965, when I came back I had never heard of Vietnam.

The Right said, [Barack Obama] is lying, he's a socialist who pals around with terrorists, he's a secret Muslim and blah blah blah. That was their line. The liberals all said, He's winking at me, I can feel him winking in my direction. He wasn't winking. He said exactly who he was and he's lived that out perfectly.

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.

When someone who's always been in your life is gone, it's a stunning adjustment of your own identity.

I was involved in the anti-war movement.

The idea that teaching is somehow the delivery of the goods is such a misunderstanding of what actually goes on.