( March 13, 2015) -- For competition advocates, the Supreme Court opinion in North Carolina Dentists was a welcome step toward bringing oversight to self-interested state regulatory boards. Still, the initial decision on liability was the easy part. The tough substantive issues, which will keep lawyers busy for the next decade, lie in the two paragraphs of Section IV. Those present the practical question of just what the state must do to provide an appropriate level of supervision. Those questions were left for future resolution, but the high court did provide some guideposts....