WINDOW ROCK - Hope MacDonald-Lone Tree, a representative of the Navajo Nation Council, has been appointed co-chair of the newly formed Office of Justice Program's Tribal Justice Advisory Group (OJTJAG). MacDonald-Lone Tree said that the group will consult with Native Americans and Alaska Natives on justice issues. She said Navajo representation at the policy-making level is necessary to construct policies that will address the unique justice needs of each tribe, particularly Navajo.