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.

Playing the villain gets you higher ratings on reality TV and saying outrageous stuff on Twitter gets you more followers.

We need to aim high - in the area of 20-25 percent - to create the urgent demand for new technologies, manufacturing plants and green jobs.

Too often we think about the green economy as an elite market niche, one in which affluent people spend more money to consume greener and cleaner products.

I'm only 42, and I've got a lot more tricks up my sleeve.

There's a lot of things that I think you got to deal with. Hillary Clinton had to put down a rebellion in her own party, then she's going to have to put down the [Donald] Trump rebellion and then try to govern.

Religion has gotten a bad rap for good reasons. Often, there are a lot of people - women, LBGT, and others - you know, hierarchical monotheism has been a real source of a type of oppression.