developed the expertise in american politics to have micro targeted areas of wisconsin, michigan and elsewhere? is it your theory of the case that there was some connection between the campaign and the russian operations? >> hard for me to believe that the russians as good as they are, sophisticated as they are, were not able to get some americans to cooperate with them, either wittingly or unwittingly. i find it implausible. >> i find it implausible no americans helped the russians, wittingly or unwittingly. director brennan revealed he's not been asked to testify by special counsel robert mueller but he said he would be happy to do so if asked but again the top line new that is andrea mitchell of nbc news was able to get him to break tonight, cia director during the russian attack on the election says to him it is implausible that the russians were able to do what they did in our election last year without american help.