when you say they should be able to ask about things that happened eight or ten years ago, this is a billionaire. he's made hundreds of thousands of transactions and thousands of pages and the problem becomes a witch hunt at that point. >> no, it doesn't. >> this is core to the investigation. >> well, if they are looking at all of his -- >> if the russians gave him billions of dollars eight or ten years ago and he's still beholden to that. >> his organization, it was not an organization of hundreds of thousands. he's not running at&t. >> right. >> it's a pretty big operation. >> really? >> it's complex but it's not big. it's not a big operation. >> and if you limit it to the foreign dealings, because that's what we're talking about, it shouldn't be that difficult. >> one of the arguments is that it was not in russia itself. >> through deutsch bank and toronto and big rock capital. all those things. that should be on the table