cnn reporter manu raju today that on the russia investigation, public comments indicate there is no overwhelming evidence to suggest there was collusion. do you agree? >> what i would say is we would have been further along in the investigation. but who could have ever expected that the president would have fired the guy that was heading up the criminal investigation, jim comey? that took us down a path that has required a lot of time and work. it also took us down a path of trying to bring in front of our committee the attorney general, enagain, who had to recuse himself because of nondisclosed contacts with the russians. today we had a hearing where we had, again, a series of experts confirming what we already know, that the russians intervened in our elections, intervened in french elections, other european elections. it became clear as ambassador burns said, the only elected