UNplaza Art Fair: Sept. 23-24 // Two documentaries go nuclear, close to home // Hiroshima/Nagasaki commemoration marks 72nd anniversary of bombings // A night of beauty, remembering, yearning for peace // UN treaty advocates nuclear weapons prohibition // Toxic, radioactive waste sites: in KC, St. Louis, Idaho // Sandy Hook mom to speak 10/9 at forum // Remembering Muted Voices