It's not enough to celebrate the ideals that we're built on, liberty and justice and equality for all. Those just can't be words on paper, the work of every generation is to make those words mean something, concrete in the lives of our children. And we won't get there as long as kids in Baltimore or Ferguson or New York or Appalachia or the Mississippi delta or the Pine Ridge reservation believe that their lives are somehow worthless.

The pyramids are one of those things that live up to the hype. They're elemental in ways that are hard to describe.

I think that the important point is we've got to have a president who understands the benefits of free trade but also is going to enforce unfair trade agreements and is going to stand up to other countries.

In our democracy and our civic discourse, it seems as if folks who take religion the most seriously are sometimes also those who are suspicious of those not like them.

I mean, if you think about - if you think about it, UPS and FedEx are doing just fine, right? No, they are. It's the Post Office that's always having problems.

Climate change constitutes a serious threat to global security.

Our intelligence communities spend a lot of time and effort gathering a lot of strands and a lot of data [on Russian hacking]. There are times where they're very cautious and they say, "We think this is what happened, but we're not certain."