>> tucker: really quickly, to the wiretapping question. we know that people around the trump were surveilled by the u.s. government, the president is in charge of the cia. they are his employees, he is their what prevents the white house from getting to the bottom of this pretty quickly and presented the evidence? >> here's a couple things to remember about this. this strikes me that such wiretaps as there were were not related to some domestic investigation they were a foreign policy matter, a national security investigation. that requires a warrant from the so-called foreign intelligence surveillance act court. it has to look at the possibility that there is probable cause and then issue its it. such warrants are not to be issued except in the rarest of circumstances against citizens of the united states, which does not preclude the possibility that in intercepting the phone