Can a public-school student face discipline for remarks made away from school on a social media platform? President and CEO Jeffrey Rosen joins MSNBC’s Ali Velshi to discuss how one of the Supreme Court’s landmark First Amendment cases could be redefined as the justices decide a modern issue. The case, B.L. v. Mahanoy School District, involves a high school student who was removed from her cheerleading team for a post on Snapchat. The outcome has implications on the scope of the free speech, the application of Tinker v. Des Moines, students’ rights at home, and schools’ ability to combat cyberbullying