You have to have a plan, or else you're just creating a recipe for chaos.

The North Korean regime is extremely fiery, extremely insecure, sometimes hysterical. And when you're around somebody who's screaming and unstable, the last thing you want to do is add to the instability with your own unstable, hysterical rhetoric.

The brain writes the autobiography of our species at the conscious level.

Of course I don't know what's going on in that meeting on in the mind of Donald Trump. But I do know one of the things President Barack Obama was struck by was how much time he spent on cyber-security as president. And one of the things he said was that, in the years ahead, the next president will be spending even more time. And cyber-security isn't a thing that goes away after this election. It's a constant flow.

Israel is a country of six million people. They need the U.S. It used to be bipartisan on Israeli politics. You never messed with that relationship. The fact that [ Benjamin] Netanyahu is willing to do that, I thought would horrify voters more than it turned out it did.

Donald Trump is sitting on the control deck of the starship Enterprise, and he can push a lot of pretty buttons, but those buttons aren't connected to anything. And so nothing is happening.

If you do have to look at polls, you should do it no more than once every few days, to get a general sense of the state of the race. I've seen the work on information overload, which makes people depressed, stressed and freezes their brains. I know that checking the polls constantly is a recipe for self-deception and anxiety.