It is a great pleasure to be with you today to deliver the 2016 Nathaniel Nathanson Lecture. I am delighted to join the many distinguished jurists and scholars that have delivered this Lecture in prior years. Early in his career, Professor Nathanson clerked for Justice Louis Brandeis and served the Securities and Exchange Commission in its formative days. Professor Nathanson is deservedly viewed as one of the architects of modern administrative law. His work, Administrative Discretion in the Interpretation of Statutes,was monumental in the field of administrative law. Professor Nathanson was the first scholar to identify a “principle of limited judicial review” when reviewing agency interpretations of statutes...