Another study. >> and we're seeing it before our eyes. >> i've seen "new york times" stories about it. i've seen stories about this for years now, that this is having a devastating impact on young girls. so we knew what to do when we figured out that cigarettes caused cancer and the cigarette companies wouldn't do anything about it. here, we have an instagram study. they're saying they can self police. they can't self police themselves. they were talking about starting a younger app until all hell broke loose. >> and they still haven't committed to end it. >> what, specifically, can congress d...