For nearly four decades, Cambridge Forum has provided free public forums for the discussion of the issues and ideas that are shaping our world. From culture to technology, the environment to public policy, Cambridge Forum offers citizens vital information about the challenges facing contemporary society. Forum programs, which are edited and produced for subsequent broadcast on public radio stations nation-wide, feature the nation's most noted thinkers, creators, social entrepreneurs, and leaders from the worlds of academia, business, government, media and the arts. Programs are held at the First Parish (Unitarian Universalist)located at 3 Church Street in Harvard Square, 7:30 pm, on Wednesday evenings.