Biotechs such as Biogen (NASDAQ: BIIB) depend on health insurers like Humana (NYSE: HUM) to cover their drugs. But there can sometimes be a somewhat adversarial relationship between the two sides. And every now and then a matter can even end up in litigation. In this Motley Fool Live video recorded on Sept. 29, 2021, Motley Fool contributors Keith Speights and Brian Orelli discuss why Humana is suing Biogen.