There was no doubt 86-year-old George Sanders killed his ailing wife. Yet everyone in the small Arizona courtroom — the prosecutor, the judge and even the couple's family members — agreed it was a time for compassion, not punishment. "My grandfather lived to love my grandmother, to serve and to make her feel as happy as he could every moment of their life," Sanders' grandson, Grant, told the judge, describing the couple's life together as "a beautiful love story." "I truly believe that the pain had become too much for my grandmother to bear," he said, while Sanders looked on...