James Thorne / GeekWire
UnitedHealth sues exec for taking trade secrets to Amazon health care joint venture – Amazons joint venture with Berkshire Hathaway and J.P. Morgan Chase is just getting started, but its already rattling health care giants. Earlier this month, UnitedHealth Group filed a lawsuit against a former executive who left its Optum unit for the joint venture, nicknamed ABC. The suit alleges that David Smith …