Just a reminder
May 23, 2017
Former CIA Director Brennan Testifies on Russia Investigation - House Intel Committee Hearing
Question: Was there intelligence that said that the Trump campaign was colluding with Moscow?
Brennan:@3:29 "By the time I left office, January 20th, I had unresolved questions in my mind as to whether or not the Russians had been successful in getting U.S. persons involved in the campaign or not".
He has admitted they had no evidence at all for the FISA warrants against the Trump campaign.