RIVERSIDE, Calif. — In the months before county health officials ordered the evacuation of COVID-19-plagued Magnolia Rehabilitation & Nursing Center, the facility’s employees complained of bounced checks. It sat on a listof the nation’s worst nursing homes for health and safety violations.But when announcing the unprecedented evacuation of Magnolia’s 83 remaining patients last week, Dr. Cameron Kaiser, Riverside County’s health officer, singled out the nursing home’s staff― after only one of its 13 certified nursing assistants showed up for a scheduled shift the previous day.All health care wo...