I've expressed concern about the assaults on our institutions, both from external sources - meaning the Russians - and internal sources. And I think this will be a real test of the resilience of our system and its pillars.

First Russians objective was - as I said earlier - to sow discord, discontent, disruption. And their next objective was - because of the very strong personal animus that Putin himself had for both Clintons, both President Clinton and Secretary Clinton - and he particularly held her responsible for what he felt was an attempted color revolution in 2011 to attempt to overturn him. So, he had very strong hatred - personal hatred - towards her, and that kind of led him to - if I'm opposed to her, who am I going to favor?

The two most capable nation state adversaries in the cyber domain are clearly Russia and, of course, China. And I do think Russia poses a huge threat in the way they have used the cyber domain. That, to me, by the way, is the big issue here, is Russian interference in our political process, in our election process. And that is an egregious act by them. And they will continue to do that and I think more aggressively than they have in the past. And I think it's something Americans, all American citizens need to be aware of.

The Russians succeeded, I believe, beyond their wildest expectations. Their first objective in the election was to sow discontent, discord, and disruption in our political life, and they have succeeded to a fare-thee-well. They have accelerated, amplified the polarization and the divisiveness in this country and they've undermined our democratic system. They wanted to create doubt in the minds of the public about our government and about our system; and they succeeded to a fare-thee-well. They've been emboldened and they will continue to do this.

We had a general awareness, for example, of Russian use of social media - Facebook ads, use of Twitter, fake news implants - we had a general understanding of that. But now, as time has elapsed and time has gone on, I've certainly learned a lot more about the depth and breadth of what the Russians were about.

I responded in what I thought was the most truthful, or least untruthful manner.

What I said was, ‘the NSA does not voyeuristically pore through U.S. citizens’ e-mails.’ I stand by that.