doing with people's information. they're talking about sending ukrainian women over to people's houses. i mean this is bad stuff. we want to hear exactly what happened. to me that is a separate hearing from what we want to see from the broad hearing on social media. this is a separate hearing where we want to hearing from professor kogan and alexander nix and what happened with the trump campaign. >> senator kennedy, you were nodding up and down. do you think you should have a separate hearing? >> sure. it is creepy. it's not the only instance. politicians have been mining data on facebook for a long time. we can go back to president obama's campaign, certainly president trump's campaign did. other candidates as well. i am interested in cambridge analytical. i'm interested in the larger issue. what's the proper role of