i'm trying to figure out then who reasoning behind the request and whether or not giuliani can make it. could it fall into the category of discovery for the president's defense? >> yeah. and they are trying to obviously, being the trump team courtesy of rudy giuliani, trying to fish and see what they can get in terms of what evidence does robert mueller have, but there's no legal obligation for him to do that. more importantly, it doesn't mean it's a precondition for trump to sit down. it's effectively giving ammunition in the p.r. battle being waged by donald trump and his surrogates including rudy giuliani to suggest that, hey, look, we're trying to negotiate with robert mueller, and he's being unreasonable in that he will not concede to what we're looking for. so it ends up being this circular argument between the two sides. in the end you'll probably see a court-waged battle to see whether or not trump can be