Clearly, Russia has lied to the world about what's going on in Ukraine. They have clearly violated the cease-fire agreements.

I think my best advice would be to separate Donald Trump, the president of the United States from whatever investigation is being conducted by the FBI. I mean, there is something to be said, frankly, about the need for the appointment of an independent prosecutor because the American people are entitled to have a full review of what happened as a result of what the Russians did during our election.

The White House was so eager to rid itself of Iraq that it was willing to withdraw rather than lock in arrangements that would preserve our influence and interests.

China is a major power in the Pacific and I think we are dealing with some common threats in that region: the whole issue of Korea and the stability of Korea, the whole issue of nuclear proliferation, the whole issue of providing free access to our ships that are operating in that area.

The fundamental premise is that neither the United States or the international community is going to allow Iran to develop a nuclear weapon.

Well, the United States is a Pacific power. And we have always had a presence in the Pacific.

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