Among the countless stories of catastrophe from Hurricane Katrina, perhaps one of the most horrific was that of St. Rita's Nursing Home in St. Bernard Parish, where 35 elderly residents drowned because their caregivers decided not to evacuate the home. In the days before Katrina hit, numerous evacuation warnings were issued in the New Orleans area, but over the years many residents had grown accustomed to storm warnings and were reluctant to leave. Among those who chose to stay were Sal and Mabel Mangano, who ran St. Rita's. Their failure to evacuate resulted in the death of over half their patients. Subsequently, the Manganos were charged with 35 counts of negligent homicide for those that perished and 24 counts of cruelty to the infirm for those who survived. They faced over 200 years in prison if convicted. "We lost people that we loved, but the decision is made and we can't go back and change it," says Mabel. "We have a stigma that's going to follow us for a long time." The...