Fiduciary duties are widely viewed as essential to myriad private relationships, including guardianships, employment relationships, trusts, business organizations, and professional relationships. Recently, legal scholars and courts have devoted increasing attention to the application of fiduciary principles to public officials and public institutions. Some have argued that fiduciary relationships are unified by a common structure, but courts and commentators typically treat each fiduciary relationship as distinct. As a result, fiduciary law is often viewed as fragmented. The Research Handbook...