If we're going to talk about mayors, that under the current mayor [of New York in 2016], crime has continued to drop, including murders.

The need for peace in Northern Ireland goes well beyond political stability. It now speaks to regional Europe and even global stability.

I think there's where we can enlist the veterans service organizations, the veterans of America, because, yes, let's fix the V.A., but we will never let it be privatized, and that is a promise.

That is the number-one threat we face in the world. And it becomes particularly threatening if terrorists ever get their hands on any nuclear material. So a man who can be provoked by a tweet should not have his fingers anywhere near the nuclear codes, as far as I think anyone with any sense about this should be concerned.

We do always have to make sure we keep people safe. There are the right ways of doing it, and then there are ways that are ineffective.

There was even a time when Donald Trump didn't get an Emmy for his TV program three years in a row and he started tweeting that the Emmys were rigged against him.

We can make America a clean-energy super-power and create good-paying jobs in the process.