>> i don't think -- that doesn't ring true to me. oligarchs are there at putin's pleasure. he can make them nonoligarchs in a split secreond, he can put th in jail, he can kill them. he has done this in the past. the reason to sanction the oligarchs is not to pressure them to overthrow them, you want to pressure the oligarchs because putin is a rich man and one of the services they provide to putin is nominees and trustees for his own money. when you're sanctioning the oligarch, you're sanctioning putin. if you're freezing their assets, you're freezing his assets. that's what this is all about. >> given what you know about the operations of this kremlin, when you hear folks, lindsey graham among them, overnight, raise the prospect of a palace coup, as it were, to take him down, gorbachev faced his own unsuccessful coup after the fall of the soviet union. is that a realistic prospect knowing the way the kremlin is