A woman whose two huge dogs mauled a neighbor to death in a San Francisco apartment building was convicted of murder and manslaughter Thursday. Her husband was found guilty of manslaughter. Marjorie Knoller, 46, could get 15 years to life in prison for the second-degree murder conviction in the death of 33-year-old Diane Whipple. She looked stricken upon hearing the verdict, taking several deep breaths. Her 60-year-old husband, Robert Noel, showed no reaction. Both were also convicted of involuntary manslaughter and having a mischievous dog that killed someone. The sentencing date was not immediately announced. Murder charges are rare in...