Zuckerberg apologizes to families during Senate hearing CNN 0 169 02.01 02:43 https://www.youtube.com/watch?v=GCB-SQJLr9E + 14 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 12 Zuckerberg apologizes to families during Senate hearing