Ducheneaux, a former tribal council representative for the Cheyenne River Sioux Tribe, said serving in the USDA and changing how USDA and Indian Country relate to each other “will be one of the great …Ducheneaux, a former tribal council representative for the Cheyenne River Sioux Tribe, said serving in the USDA and changing how USDA and Indian Country relate to each other “will be one of the great …