Children who kill are called "super predators," "people with no conscience," "feral pre-social beings" -- and "adults." William Ayers, author of A Kind and Just Parent: The Children of Juvenile Court (Beacon Press, 1997), says "We should call a child a child. A 13-year-old who picks up a gun isn't suddenly an adult. We have to ask other questions: How did he get the gun? Where did it come from?" Ayers, who spent a year observing the Cook County Temporary Juvenile Detention Center in Chicago, is one of four panelists who will speak on juvenile justice at 6 p.m. Thursday,...