My experience is that the director of the FBI is particularly important to just how aggressive an investigation will be into an issue. And once you remove James Comey, it creates a vacuum at the top. And the fundamental issue will be whether or not there is support at the highest levels within the FBI to continue to conduct that investigation. That's going to be the question mark.

The president is out there today trying to talk about health care, and the reality is nobody cares about what he's saying on health care because this news is consuming everything. No president could tolerate that or should tolerate it.

You don't deploy forces into harm's way without knowing what's going on.

I have tremendous confidence in the ability of government institutions and the American people to do what is right to make sure that our democracy stays on the right track.

Caution is an important quality in a leader, but it has to be caution followed by decision. Caution followed by ambivalence can be a weakness.

I don't engage in hypotheticals.

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