South Carolina's Supreme Court again has ruled on the side of environmentalists in an enduring fight over the future of Kiawah Island's imperiled Capt. Sam's Spit, on which developers have long sought to build oceanfront houses. In an opinion published Tuesday, the Supreme Court reversed an earlier ruling by the state's Administrative Law Court which tentatively cleared the way for construction of a 2,380-foot metal wallalong the Kiawah River on.