I think in the policies that have been followed since the president Donald Trump came into office, there really hasn't been any slack cut for the Russians. And I think one of the things that has surprised people has been that the relationship between the United States and Russia has in fact deteriorated since the election.

What I know concerns me. What I don't know concerns me even more. What people aren't telling me worries me the most.

Things have gotten so nasty in Washington.

Well, I've ruffled a few feathers at all the institutions I've led. But I think that's part of leadership.

You know, if I were an - if I were a Taliban, I'd say, 'What did al-Qaida ever do for me except get me kicked out of Afghanistan?'

I think Donald Trump has gotten China's attention to a degree that his predecessors have not that this is a very serious matter for the United States.

Most governments lie to each other. That's the way business gets done.