Understanding the Supreme Court's Ruling on Tribal Sovereignty in Eastern Oklahoma Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email A detail of the 1790 Treaty of the Muscogee (Creek) Nations and the United States now on display at the Smithsonian's National Museum of the American Indian. ( Kevin Wolf/AP Images for National Museum of the American Indian ) Produced by Ethan Oberman Hosted by Tanzina Vega Produced by PRX and WNYC