My impression is that Putin feels that he can basically manipulate the West to do what he ultimately wants to achieve, and that he feels he's gotten away with it so far, and that all he has to do is basically play the same game.

Today, I think the attitude is that governing is not necessarily good politics, and the result is that it's much more partisan and much more divided.

I think the primary message to the world is that the United States is going to remain the strongest military power in the world.

I don't engage in hypotheticals.

Red lines are kind of political arguments that are used to try to put people in a corner.

My father said I was perfectly suited for Washington because I've always worked around nuts.

The potential for the next Pearl Harbor could very well be a cyber-attack.