roger stone and so many other people in the trump orbit, is not going to use pr as a primary form of defense and may well be forth coming with a lot of information very useful to mueller. >> that's what's interesting to me, is what's in it -- it's not compelled testimony. he's just a ukrainian dude. he doesn't have to come and give testimony, right? >> that's true. well, if he's subpoenaed here and he wants to come back here, then he does have to. >> but you never get to come back through jfk unless you -- >> no tsa pre for you. but the other thing is he may well feel, this is speculation, that he's got facts that are different from the current narrative but the time is right to tell it for personal reasons or other. >> but remember, michael flynn is cooperating. he has given mueller all of the information from his side of things which is on the receiving end of this peace plan. it's not like bob mueller is just asking questions out of thin air here as to what artemenko thinks.