doctor tom wenz, he's is an expert if anger management and substance abuse treatment and has worked with with many youth throughout his career. he came to me through george anderson who runs an anger management firm. they have taken the science of conflict mediation and made it into an accessible discipline for trainers, people who are working with young people throughout the state and throughout the county. do you know that there's only, i think now one state that mandates anger management in the school and it was texas. and it's only been within the last year. doctor wenz is an advocate. he's also a vietnam veteran who saw many people suffer from substance abuse in the wake of that war and conflict and has a tremendous amount of experience. he as a doctorate. a master's degree in working with children and works in his own consulting business as well. doctor tomas wenz. >> angela chan as worked with san francisco and community based organization in the area of violence reduction and hate crimes. she understands that often violence is simply a manifestation of conditions that we are prep