But to truly transform our economy, protect our security, and save our planet from the ravages of climate change, we need to ultimately make clean, renewable energy the profitable kind of energy. So I ask this Congress to send me legislation that places a market-based cap on carbon pollution and drives the production of more renewable energy in America.

First of all, I think everybody has to acknowledge don't underestimate the guy [Donald Trump], because he's going to be 45th president of the United States.

There's no doubt that when it comes to our treatment of Native Americans as well as other persons of color in this country, we've got some very sad and difficult things to account for. I personally would want to see our tragic history, or the tragic elements of our history, acknowledged. I consistently believe that when it comes to whether it's Native Americans or African-American issues or reparations, the most important thing for the U.S. government to do is not just offer words, but offer deeds.

The peaceful transition of power is one of the hallmarks of our democracy.

We don't have time for a meeting of the Flat Earth Society.

The changes in thinking about same-sex marriage have come slowly at first and then in rapid course. If such change is possible in this area, is it also possible in the vexed and sordid realm of race relations?

It betrays a poverty of ambition if all you think about is what goods you can buy instead of what good you can do.