We have to tackle the plague of gun violence, which is a big contributor to a lot of the problems that we're seeing today.

We need better police training.

Incomes went up for everybody. Manufacturing jobs went up also in the 1990s, if we're actually going to look at the facts.

And not go to things that sound good that really did not have the kind of impact that we would want. Who disagrees with keeping neighborhoods safe?

I do think questions have been raised and questions have to be answered.And there is no way to predict what comes in the door of that White House from day to day that can pose a threat to the United States or one of our friends and allies, and I think this is a big part of the job interview that we are all conducting with the voters here.

Stop-and-frisk was found to be unconstitutional and, in part, because it was ineffective. It did not do what it needed to do.

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.