The Supreme Court will consider the legality of Mississippi's 15-week abortion ban, the most serious challenge to Roe v. Wade in decades. Neal Katyal joins Ali Velshi to discuss what to expect from the majority conservative court and the implications of overturning or weakening Roe v. Wade: “It’s going to take the right to abortion away in the way at least women and men have understood it since 1973.” » Subscribe to MSNBC: http://on.msnbc.com/SubscribeTomsnbc About: MSNBC is the premier destination for in-depth analysis of daily headlines, insightful political commentary and informed perspectives. Reaching more than 95 million households worldwide, MSNBC offers a full schedule of live news coverage, political opinions and award-winning documentary programming -- 24 hours a day, 7 days a week. Connect with MSNBC Online Visit msnbc.com: http://on.msnbc.com/Readmsnbc Subscribe to MSNBC Newsletter: MSNBC.com/NewslettersYouTube Find MSNBC on Facebook: http://on.msnbc.com/Likemsnbc Follow MSNBC on Twitter: http://on.msnbc.com/Followmsnbc Follow MSNBC on Instagram: http://on.msnbc.com/Instamsnbc #MSNBC #Mississippi #SupremeCourt