498 U.S. 505 498 U.S. 505 111 S.Ct. 905 112 L.Ed.2d 1112 OKLAHOMA TAX COMMISSION, Petitioner,v.CITIZEN BAND POTAWATOMI INDIAN TRIBE OF OKLAHOMA. No. 89-1322. Argued Jan. 7, 1991. Decided Feb. 26, 1991. Syllabus Although, for many years, respondent Indian Tribe has sold cigarettes at a convenience store that it owns and operates in Oklahoma on […]