to work with them. it's just that he didn't find sufficient evidence to meet the threshold. >> sharing polling data over an extended period of time would be collusion by a lay person's -- >> and taking the meeting at the trump tower. >> which was specifically russian government promising you dirt whether or not it was delivered. harry, we know from the report that don jr. refused to speak to mueller, did not do so, mueller did not push it. you want to know whether anyone took the fifth or refused to cooperate. >> i think it would be interesting to know particularly to the extent -- congress is there deciding whether to have impeachment hearings for the public. did the administration cooperate fully? did people close to the president decide to exercise their constitutional rights, not criticizing the exercise of rights, but people should have an opportunity to know. i don't know whether he will