This is a short interview with Chief Oren Lyons on the issue of sovereignty that was filmed shortly after the U.N. Declaration on the Rights of Indigenous Peoples was passed.
"Chief Oren Lyons Discusses Sovereignty." Taos News. 2007. Interview. (https://www.youtube.com/watch?v=SOw6S_immM4&feature=related, accessed September 1, 2012)