>> what else can you tell us about the kinds of questions that mueller is asking witnesses. >> it's reaching who a whole host of things that happened before the campaign kicked off. including exploration of a trump tower property deal in russia, including the 2013 miss universe campaign, including very specific questions along the lines, questions who was in trump tower -- in the hotel room in moscow during the discussions of the deals with the miss universe campaign, who was tere, who would have had access to it, who was in charge of security, drilling down then on that time there as well as questions about other business dealings, trump tower, in addition to that, questions about whether -- what knowledge witnesses had of claims by russia that they had compromising information on donald trump. this of course, as you know, don -- you and i have talked about this a number of times -- is one of the things included in