told its own internal review. trump's advisors reportedly beginning some kind of fact-finding review. and some say there are concerns that it's actually a hunt for a scapegoat. what do we know about this internal investigation? >> we don't know a great deal at this point except that the white house counsel, pat, and the acting chief of staff nick mulvane are said to be involve understand this. trying to learn more about the steps. particularly, in how the summary of the ukraine call. the sort of reconstructed conversation, not a verbatim transcript, but a good summary of what was said on the call found its way on to the highly-protected server that required code word access. the kind of place where typically government secrets and very important information that is typically at the highest level of classification would be kept. not necessarily the domain of calls that were congratulatio -