“The Challenge of Rudolf Steiner,” a new documentary about the holistic pioneer, screened in two part (Jan. 23 and 30) at Lincolnville Community Building, 18 Searsmont Road/Route 173, Lincolnville Center. Free/donations. Sponsored by Spindlewood Waldorf Kindergarten in Lincolnville. Conversation follows with several community educators, parents and gardeners who work with Steiner’s guidelines.