The challenge is right now, I call it the death of critical thinking in America. It's a very worrisome development. More and more people seem to be resisting the idea of standing back and asking questions about something, challenging their beliefs.

You look at the Middle East, you started the Iran deal, that's another beauty where you have a country that was ready to fall, I mean, they were doing so badly. They were choking on the sanctions. And now they're going to be actually probably a major power at some point pretty soon, the way they're going.

I don't expect us to cover all the issues of this campaign [2016] tonight, but I remind everyone, there are two more presidential debates scheduled. We are going to focus on many of the issues that voters tell us are most important, and we're going to press for specifics.

Not to get too deep on shaving my mustache, but it was kind of symbolic of, 'This is a moment of liberation, a chance to reinvent yourself.' That's kind of what I did.

Candidates [Hillary Clinton and Donald trump], we look forward to hearing you articulate your policies and your positions, as well as your visions and your values.

The share of Americans who say race relations are bad in this country is the highest it's been in decades, much of it amplified by shootings of African-Americans by police, as we've seen recently in Charlotte and Tulsa. Race has been a big issue in 2016 campaign.

Stop-and-frisk was ruled unconstitutional in New York, because it largely singled out black and Hispanic young men.