James Clapper: “In my almost 50 years in intelligence, I do not recall a period in which we confronted a more diverse array of threats…”

I think it's very probable he'll use chemical weapons at some point.

Well, Anderson, that's exactly right. And this is what this whole issue boils down to, is will to fight.

It speaks to Putin's character, and his KGB background, having essentially lawless, mercenary group, a private army, responsible only to him.

a stark reminder that the terrorist threat to this country hasn't gone away. We cannot take our eyes off this ball.