KANSAS CITY, Mo. — As Missouri continues to slog through the COVID-19 pandemic, health advocates hope Gov. Mike Parson’s appointment of an Illinois official to lead the Department of Health and Senior Services could be a new era for the state’s embattled public health system. “I think you’ll see that whole department, that whole agency be rebuilt,” Parson said in April as he embarked on the search for a new director after asking Dr. Randall Williams to resign. On Wednesday, he announced the appointment of Donald Kauerauf, a former Illinois public health official, who told reporters he wants Mi...