LARGO, Fla. -- An autopsy on Terri Schiavo backed her husband's contention that she was in a persistent vegetative state, finding that she had massive and irreversible brain damage and was blind, the medical examiner's office said Wednesday. It also found no evidence that she was strangled or otherwise abused. But what caused her collapse 15 years remained a mystery. The autopsy and post-mortem investigation found no proof that she had an eating disorder, as was suspected at the time, Pinellas-Pasco Medical Examiner Jon Thogmartin said. Autopsy results on the 41-year-old brain-damaged woman were made public Wednesday, more than two...