Mealey's (March 16, 2018, 4:04 PM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court on March 16 granted the solicitor general’s motion to participate in oral argument and for divided argument in a case in which it will determine whether the doctrine of tribal sovereign immunity protects a Washington state Indian tribe from an in rem adverse possession action to quiet title filed by a couple seeking to keep land that the tribe says it owns (Upper Skagit Indian Tribe v. Sharline Lundgren, et vir, No. 17-387, U.S. Sup.)....