Media Law professor Clay Calvert joins 'Fox News Live' to discuss an ongoing trial against large social media platforms as claims of negligent design to addict underage users have risen to the forefront of the conversation. Don’t just watch Fox News—be part of it. Become a Fox News Patriot today. https://youtube.com/foxnews/join Subscribe to Fox News: https://bit.ly/2vBUvAS Watch more Fox News Video: http://video.foxnews.com Watch Fox News Channel Live: http://www.foxnewsgo.com/ Download the