graes great great to have you with us. and republicans pushing for the whistle-blower to be outed.o do with the impeachment. but what impact could it have on the inquiry if in fact the senate goes ahead and calls on either to testify? >> the senate calls on either to testify, this proves to be a part of the senate republicans defense strategy of president trump. we know that right now, there isn't too much of a coordinated effort at this point between senate republicans and the white house. and i think senate republicans feel that calling these two witnesses that are kind of counter-witnesses, if you will, in their minds, to testify, could somehow defend the president and change to a very different narrative. i spoke it a number of legal experts about this and calling the witness to testify and they essentially equated it to somewhat, there is a fire somewhere and someone calls 911, and obviously, someone comes up, the fire department comes and puts out the fire, but the person who called 911 isn't necessarily the cause of the fire. they just alerted to the issue. so it is not clea