The responsibility for the risks we posed to others in some of our most extreme actions in those underground years never leaves my thoughts for long. The antiwar movement in all its commitment, all its sacrifice and determination, could not stop the violence unleashed against Vietnam. And therein lies cause for real regret.

Injustice anywhere is an assault on all of us. That means that we all can get busy.

When I was young, communism, which had a certain allure to me, was clearly a failed experiment in the Soviet Union and in China. And yet, anti-communism was as bad.

Frederick Douglass ran a primary campaign against [Abraham Lincoln] the second time around, in 1864. They hated him. Why'd they hate him? Because he said things like "I believe in white supremacy."

Guilty as hell. Free as a bird. America is a great country.

[Students for a Democratic Society] was on many campuses and it was a powerful organization. It was founded by Tom Hayden, who passed away very recently. It was one of the founders of SDS and that chief writer of the Port Huron Statement, which is still worth reading. It's kind of the Bernie Sanders campaign document in a funny way.

I wish I had been wiser. I wish I had been more effective, I wish I'd been more unifying, I wish I'd been more principled.