At the J.P. Morgan Healthcare Conference, starting Monday in San Francisco, 8,000 insurance providers, pharma investors, and execs from Open AI, Amazon, and Meta will announce mergers, discuss advances in AI diagnostics and gene therapies, and puzzle over FDA scrutiny and compliance issues. But many of the sessions and “what’s next” debates will follow the Chatham House Rule — a gag order that prevents attendees from attributing information to speakers or sharing names or affiliations of other g...