James Clapper: “I think he's very impulsive, very opportunistic.”

there's going to be more of the graphic, wanton brutality that they've witnessed.

I think this reflects Russian insecurity. And it's almost like, Putin needs a rhetorical security blanket, of making threats, like this.

it's a question of time. It's not if, it's when we have some sort of confrontation that we're going to have to respond to, the NATO will have to respond to.

I think he's trying to erase any vestiges of as much as he can of culpability that people that were caught up in this investigation.