he could have called mr. trump directly as opposed to having his son's pop music publicist be the intermediary. >> reporter: the father of the pop star, amin agalarav said he doesn't personally know don jr. and said he doesn't know goldstone that well, either, saying it was a tall tale that gladstone contacted him about dirt on hillary clinton. >> they do seem close in the video. thank you very much, pam. we're back now with democratic congressman jim hines of the intelligence committee. mr. hines, what more do you want to know about these men who apparently played a central role in organizing this meeting. you can see them in this video exclusively obtained by cnn. goldstone, ross, amin agalarav. what do you make of that? what more do you want to know? >> all advertising to the contrary, it looks like what happens in vegas doesn't stay in