breaking news tied to the russia investigation. it's a cnn exclusive about the mysterious phone calls made by donald trump jr. around the time the now infamous trump tower meeting with russians in 2016. pamela brown joins us now from the white house with the details. so, explain what you've learned, what this clears up, in terms of that trump tower meeting, and what questions remain outstanding. >> reporter: well, anderson, this has been one of the most tantalizing mysteries in the russia probe, and now, this new information has come to light that don jr.'s calls with a blocked number around that infamous 2016 trump tower meeting were not with his father. this is according to three sources. and we're told that there were records provided to the senate intelligence committee showing that the calls were actually between trump jr. and two of his business associates. we have not been able to identify them yet. but this is significant, anderson, because it appears to contradict democrats' long-held suspicions that the blocked number was from then candidate donald trump. so it settles the lingering issue of whether donald trump