MSNBC’s Lawrence O’Donnell is joined by Harvard Constitutional Law Professor Laurence Tribe who sounds off on Donald Trump’s attempts to block international students from the university. For more context and news coverage of the most important stories of our day click here: https://www.msnbc.com/ » Subscribe to MSNBC: https://www.youtube.com/msnbc » Subscribe to MSNBC on TikTok https://www.tiktok.com/@msnbc » Subscribe to MSNBC on Instagram https://www.instagram.com/msnbc Download our new MSNBC app for the latest breaking news and daily headlines at a glance: https://www.msnbc.com/information/download-msnbc-app-n1241692 Follow MSNBC Show Blogs MaddowBlog: https://www.msnbc.com/maddowblog MSNBC delivers breaking news, in-depth analysis of political headlines, commentary and informed perspectives. Find video clips and segments from The Rachel Maddow Show, The Briefing with Jen Psaki, Morning Joe, The Beat, Deadline: White House, The Weeknight, All In, The Last Word, The 11th Hour, and more. Connect with MSNBC Online Visit msnbc.com: https://www.msnbc.com/ Subscribe to the MSNBC Daily Newsletter: https://link.msnbc.com/join/5ck/msnbc-daily-signup #Trump #Harvard #internationalstudents