A new laboratory study reveals CBD oil could help prevent Covid-19 infection or help fight it. The University of Chicago team of researchers did not say it works in patients but say it “made a strong case for a clinical trial.” One of the researchers, Professor Glenn Randall, joins Ari Melber. » 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…