 In recent years, conservatives, including some members of the Supreme Court, have called for it to be overruled. Again, Landmark Legal Foundation, of which I am chairman, has filed a brief, a friend of the court brief, in this case as well. The plea to overturn the Chevron Doctrine came to the court in two cases challenging a rule issued by the National Marine Fisheries Service that requires the herring industry to bear the cost of observers using fishing boats.