Professor Robert Field is Keynote Presenter at Hamline School of Law Health Reform Symposium November 12, 2010 Professor Robert Field presented "Reconceptualizing the Role of Regulation: How It Created and Sustains Free-Market Health Care" at the Hamline School of Law's "Rethinking Regulation in an Era of Reform" symposium in St. Paul, Minn. on Nov. 12, 2010.