Mueller is going hard at Trump. He has already empanelled grand juries and has now enlisted New York state Attorney General Eric Schneiderman. Why a state A.G.? Because Trump has no pardon power over state crimes.

I know what this feels like. When you are investigating crime and you are really on the scent you are as driven as much as it is possible for a human being to be driven. It literally made me salivate sometimes. Mueller is looking beyond the decision to charge, he has already made that decision, by enlisting Schneiderman. Mueller is anticipating Trump defenses, and heading them off, boxing Trump in.

Fear has a scent. Bloodhounds can smell it. Dan Rather senses it in Trump:

"Donald Trump is afraid. He's afraid of something that Mueller and the prosecutors are going to find out. And what you are seeing time after time is a president who is within himself seized with fear. A political hurricane is out there at sea for him...Hurricane Vladimir."

Mueller knows what that "something" is. So does Trump.