more at least known to the public but this is the substance of it all. >> there's also this point going forward, which is going to be this complex dance that's about to start happening between the congressional investigation and the special counsel investigation. we see that more and more as they want to talk to the same witnesses, get the same documents. bob mueller is not going to want congress to look at the same thing. witnesses are saying i'm already talking to special congress, i'm not talking to congress. that will be a complexity. >> to that .1 of the people whose contacts with the russians they want more information is michael flynn. who yesterday told the senate intelligence committee no. they had asked for a bunch of documents, subpoenaed a bunch of documents. which is not done anything wrong. we're told the committee later today will announce its next step as that investigation continues. the thing i took away from brennan is republicans, especially those in the trump white house have tried to say yeah, we had a bunch of meetings. they were about building relationships. they might have been about