the 2018 election. i don't me if anything. >> zuckerberg said facebook learned in 2015 that the researcher who created the personality quiz for facebook gave the data to cambridge analytica and of course we only learned about that a few weeks ago. it is true that likely most people if you walk out on the street or poll don't know about this privacy issue, but it doesn't mean we shouldn't care about it of course. and everyone stick around. would it be obstruction of justice if president trump fired robert mueller? that is ahead. >> "the lead" with jake tapper, brought to you by vision works. because life is meant to be seen. david. what's going on? oh hey! ♪