Yakama two-hide dress, ca. 1860 In the current exhibition at the National Museum of the American Indian, visitors can see Identity by Design: Tradition, Change, and Celebration in Native Women’s Dresses, a show indicative of the NMAI’s effectiveness in using creative museum techniques. The exhibition, of course, is about cultural traditions. It features some 55 dresses and more than 200 accessories, all of which are meant to express the depth and development of Native…