they can't indict. they acknowledge that to us after battling with us. it is a point giuliani reiterated on fox. >> we will see what legal remedies are available to us. including if they subpoena us, challenge the subpoena. i don't think they agree to the process question. the same reason they cannot indict him, they cannot issue a subpoena to him. clinton opposed a subpoena and voluntarily complied. >> if mueller's team said if the president cannot be indicted, he is not necessarily in the clear. although longstanding justice department guidelines say a sitting president cannot be indicted. that has never been tested in court. not clear if mueller's team is prepared tie on that challenge. if it has criminal evidence against president trump is unclear. a few questions answered. plenty of new ones raised after the release of thousands of pages of interviews with participants in the 2016 meeting