The Russians have had and continue to have an active program to undermine American society.

Little kids sing a song called "America the Beautiful." They sing a song called "This Land Is Your Land, This Land Is My Land." To me, those songs are not just nice little ditties. They are marching orders. They are commandments that we must protect America's beauty from the clear-cutters, the strip-miners, the oil spillers. They are pledges we have made. They are promises to keep.

Keith Ellison is the future of the Democratic Party, the future of the progressive movement.

Though the rampant racial injustices throughout the criminal justice system were offensive to me and to millions of other people, I've never drawn a tight circle around the black community to define the limits of my moral concern. But that narrative tends to get imposed on you, if you're an African-American activist.

Reversing global warming will take a World War II level of mobilization. It is the work of tens of millions, not hundreds of thousands.

I used to go to all the environmental conferences when I wasn't an invited speaker. I was just somebody in the back taking a lot of notes. It was when I was least visible that I came up with the most cool stuff. Now, because I don't get to be Clark Kent, I feel like my learning curve is slowing way down. I'm always afraid the conversation will move on and I'll be up at the front of the room saying last year's speech.

The boundless capacity of the African American spirit in this country to say Hallelujah anyhow, to use our joy as a weapon, to use our creativity as a weapon, to use our moral clarity and our deep experience as a weapon not just to save Black people but to save all of these people.