In South Dakota, Native Americans living on the Rosebud Sioux Tribal Reservation face tough economic odds. About 40 percent live below the poverty line. Unemployment is as high as 80 percent. On a …In South Dakota, Native Americans living on the Rosebud Sioux Tribal Reservation face tough economic odds. About 40 percent live below the poverty line. Unemployment is as high as 80 percent. On a …