cooperating with the committee might think, oh, i should probably go in and maybe i'll need to do some cleanup on aisle six. that's the type of dynamic that tends to play out in these wide-ranging congressional probes, and we can expect that tensions like that are certainly percolating in the broader trump world. >> carol, speaking of the tensions, the committee is looking at whether it can subpoena republican lawmakers to force their cooperation. where does that effort stand and is there concern legal delays could impede the pace of their investigation? >> absolutely. untested waters. i mean we've had lawmakers testify before and give information about their experiences to congress in the history of congress, but none of them have been subpoenaed and forced against their will. this is area that's just uncharted. it is a huge potential legal morasse and every delay worries this particular committee. remember, they have a political deadline as well as a factual one, and that is that the