cuomo. >> no one in russia has ever tried to work me. all the evidence i've seen so far, chris, indicates that the -- there is much more interference by the u.s. government compared to the russian government. >> reporter: the president this morning tweeting again, calling the russian investigation a witch-hunt. but on capitol hill today, national security agency director mike rogers warned congress he has not been granted the authority by president trump to disrupt russian election hacking operations where they originate. >> we have not taken on the russians yet. we're -- we're watching them intrude in our elections, spread misinformation, become more sophisticat sophisticated, try to achieve strategic views and we're sitting back and waiting. >> i don't know if i would characterize it as we're sitting back and waiting. it's probably fair to say that we have not opted to engage in some of the same behaviors that we are seeing, if i could just keep it like that.