Jared Holz, biotech strategist at Mizuho Securities, joins us to explain why federal regulators are suing to block Amgen's $28 billion merger with Horizon Therapeutics and what it means for the drug industry. We also discuss the latest on Sarepta Therapeutics and its gene therapy for Duchenne muscular dystrophy, a turnaround story in the making at the Belgian drug maker Galapagos, and the effort to secure approval for a maternal RSV vaccine.