Mealey's (June 25, 2018, 11:02 AM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court granted certiorari June 25 to decide whether an 1855 Indian treaty protects a tribe in Washington state from paying state taxes on gasoline it hauls to a reservation (Washington State Department of Licensing v. Cougar Den, Inc., No. 16-1498, U.S. Sup.)....