For generations, Bayfront hospital in St. Petersburg has been where poor and uninsured residents regularly turned for quality health care. Now the hospital’s for-profit owner has offered to buy the minority stake owned by a local nonprofit that acts as a watchdog, which would silence the last community voice in the hospital’s operations. It might make financial sense for the nonprofit, but Bayfront remains a critical safety net and city officials must take additional steps to preserve and protect that mission.