>> do you still believe the president could be a russian asset? >> i think it's possible. i think that's why we started our investigation, and i'm really anxious to see where director mueller concludes that. >> for more, we welcome to the conversation shane harris, intelligence and national security reporter for the "washington post," and quint watts, a former fbi special agent and author of "messing with the enemy: surviving a world of hackers, terrorists." >> i grew up in a red state as a republican in missouri. raegan years, bush years, the idea that the former soviet union would have somebody in the white house is frightening. so when you hear that just there is a possibility, it comes with great alarm. and when you look at it, though, i don't think it was that surprising. you know, when we've talked