American Samoa stands as the only U.S. territory to hold out against the recent Supreme Court ruling that legalized gay marriage. But as the Pacific island’s attorney general reviews the decision, legal observers and gay rights advocates are saying it should go into effect immediately. “It should be unquestioned,” said Rose Cuison Villazor, a professor at University of California, Davis’ law school and an expert on territorial law. “The Supreme Court’s decision was pretty strong.” American Samoa Attorney General Talauega Eleasalo Ale, however, hasn’t been ready to take that step. “We’re still reviewing the decision to determine its applicability to...