SANTIAGO, Chile — Her scarred face long ago became a symbol of the atrocities committed during Chile’s 1973-90 dictatorship led by Gen. Augusto Pinochet. Now Carmen Quintana finally feels justice is being done. Soldiers drenched a then 18-year-old Quintana and 19-year-old Rodrigo Rojas with gasoline and set them ablaze during a street demonstration on July 2, 1986.