The biggest problems with Iran in the region are not due to the size of their resources, but due to the fact that they've been more effective in supporting proxies and stirring up dissension and conflict in the region than America or our allies have been in stopping those activities.

Just listen to what Mr. [Donald] Trump has to say and make your own judgment with respect to how confident you feel about his ability to manage things like our nuclear triad.

We will not hesitate to speak out when we see actions that contradict those values.

I want to make sure that we, as a nation, stay unified because that's how we're going to achieve our missions.

My hope and expectation is that regardless of what Donald Trump said during the campaign, he's going to have to look carefully at the realities when he moves forward.

Our intelligence communities spend a lot of time and effort gathering a lot of strands and a lot of data [on Russian hacking]. There are times where they're very cautious and they say, "We think this is what happened, but we're not certain."

If you look at sort of how politics has divided itself here in this country, the big divide right now is between urban areas, which have become increasingly Democratic, and rural or exurban areas that feel as if they're being ignored.