AUSTIN, TX — In 2002, Robert Roberson rushed his 22-month-old daughter, Nikki, to a hospital in Palestine, Texas. According to court records, Nikki had been vomiting, coughing, running high fevers, and suffering from persistent diarrhea for about a week. Roberson had taken her to the doctor multiple times that month, but this time, her condition seemed urgent. She was having trouble breathing and turning blue.
When are…