Keep guns out of inner cities-but also problem of morality.

The world is less violent than it has ever been.

Al Qaeda is still a threat. We cannot pretend somehow that because Barack Hussein Obama got elected as president, suddenly everything is going to be OK.

I think there are hard-liners inside of Iran that think it is the right thing to do to oppose us, to seek to destroy Israel, to cause havoc in places like Syria or Yemen or Lebanon, if they don't change at all, we're still better off having the deal.

Some may still deny the overwhelming judgment of science.

One of the hardest things in politics is to convince people to do things now that will have a good effect 20 or 30 years from now because politicians tend to have a short-term view. They are more attentive to things that people care about today.

I think the irony ... is that I actually would like to see a relatively light touch when it comes to the government.