Interview with MATT GROENING cont'd. Boston Probation officer WILLIAM STEWART and Judge SYDNEY HANLON (woman) talk about "Operation Night Light," a program that is credited with reducing juvenile crime in South Boston. Under the program, probation officers go out with police at night looking for probation violators. Last year, President Clinton touted Boston as a national role model for what cities can achieve in reducing juvenile crime. WILLIAM STEWART serves as Assistant Chief Probation officer in the Dorchester District Court in Massachusetts. In 1990, he was assigned the task of developing a proactive supervision unit designed to supervise juvenile offenders ages 17-24 which resulted in "Operation Night Light". Judge SYDNEY HANLON serves as First Justice in the Dorchester District Court. Prior to serving on the bench, HANLON was Chief of the Narcotics Division for the Massachusetts Attorney General's Office. 12:58:30 NEXT SHOW PROMO (:29) PROMO COPY On today's Fresh Air . . .The creator of TV's longest running animated series.."The Simpsons". We'll hear from MATT GROENING (GRAY-neen) about the show and his newest book "The Simpsons: A Complete Guide to our Favorite Family." Also how Boston reduced its juvenile crime rate. We'll hear from Judge SYDNEY HANLON (woman) and probation officer WILLIAM STEWART who participate in Boston's successful youth intervention program "Operation Night Light". That and more coming up on the next Fresh Air.