The Walla Theatre announced on its Facebook page that the documentary “Nine Little Indians” will be screened in Walhalla next weekend. It will be shown at 7 p.m. Sept. 17-19 and at 2 p.m. Sunday, Sept. 20. Cost is $10. On Facebook, The Walla posted it is “honored to host four local screenings of Nine Little Indians, the powerful documentary sharing the story of the Charbonneau sisters - whose root…