the top democrat on that very same house committee, adam schiff, saying he has grave concerns over what the chairman revealed. democratic leader nancy pelosi going much further, charging nunes is now in her words deeply compromised in saying he cannot possibly lead an honest investigation. athena jones is out front for us tonight at the white house. this is a pretty stunning twist in an already complex and highly charged political story. reporter: it is highly charged and it is complex, kate. and this announcement by chairman nunes was clearly welcome news to the white house today. they ve been under fire for the past three weeks because of the president s baseless claim that he says predecessor was spying on him. while nunes statements today in no way confirm that claim, they did muddy the waters a bit, raising questions about surveillance collection. and the white house seemed pretty eager to make sure that reporters had a chance to go out and speak with chairman nunes,