Baptist Health System and Tenet Healthcare Corp. have officially formed the joint venture that will unite two of the largest players in Birmingham's health care scene. The new organization will bring together Baptist Health System's four hospitals and Tenet's Brookwood Medical Center under one joint venture. As we've previously reported, Tenet will be the majority partner - with a 60 percent stake - and will manage the new network's operations. Keith Parrott, who previously served as CEO of...