Worksheet at Texas charter school asked students to list both negative and positive aspects of slavery
                                
                                
                                    (Newser) -
                                    When Roberto Livar's wife picked up their son Wednesday from Great Hearts Monte Vista charter school in San Antonio, Texas, the 8th-grader was "distraught" over an assignment in history class, Livar tells  KABB . The worksheet he completed was entitled "The Life of Slaves: A Balanced View,"...