Penny Kotterman, Jason Williams, John Huppenthal, Beth Price and Margaret Dugan, all of whom are candidates for superintendent of public instruction, participate in a forum from 7 to 9 p.m., Thursday, Aug. 12. The forum will be facilitated by Jim Nintzel, senior writer at the Tucson Weekly. The forum is hosted by the League of Women Voters of Greater Tucson. Free. Call 622-0905 for more information.