The U-S Supreme Court hears arguments on a Minnesota treaty rights case this week (December 2nd) that could have wide-ranging implications for tribal rights throughout the country. The Court will decide whether the Mille Lacs (mill-LAKS') Band of Chippewa has retained rights to spearfish off its reservation free from State regulation. Minnesota Public Radio's Elizabeth Stawicki reports: The Chippewa say they need to carry on their centuries-old practice of spearfishing to keep their culture alive. But that tradition has enraged sportsfishermen and resort owners. They say the chippewa are depleting the lakes of the highly prized game fish--walleye. Spearing is an efficient way to fish and can result in a catch of hundreds of walleye in a few hours. During the 1980's violence erupted over this conflict in Wisconsin; a