We are, however, producing a lot of natural gas, which serves as a bridge to more renewable fuels. And I think that's an important transition.

First, we parents have to back up school authority and quit making excuses for our kids when they misbehave.

When I think about capitalism, I think about all the small businesses that were started because we have the opportunity and the freedom in America for people to do that and to make a good living for themselves and their families. And I don't think we should confuse what we have to do every so often in America, which is save capitalism from itself.

I know from my own experience that you've got to be ready on day one. There is just too much unpredictable threat and danger in the world today to try to just say wait, I'll get to that when I can. That is just not an acceptable approach.

I said it was a mistake. It wasn't the best choice. But all my emails have been turned over to the public.

I do remember being young.

Where we have a different background [with Hillary Clinton] on this issue is we differ on the war in Iraq, which created barbaric organizations like ISIS.