“Anxiety and Ethics” Nicholson Lectures, Atlantic School of Theology, forthcoming October 2016
"Post‐secularism and the Return of Original Sin: The Wanton, the Addict, the Pervert, and the Deviant”. President’s address to the Canadian Theological Society, Waterloo, Ontario, May 29, 2012.
“Educating freedom for the twenty‐first century.” Keynote address to the Charter Associates 22nd Annual Celebration, University of Richmond, September 7, 2012.
“2011 Colloquy,” presented to the faculty and staff of the University of Richmond, August 17, 2011.
"Social Contract or Commonwealth: The Person as Citizen of a Pluralist Society, “King’s College, Halifax, NS, October 7, 2010.
"Critics of John Rawls's Political Liberalism: Justice without Goodness," Schulich School of Law, Dalhousie University, Halifax, NS, October 6, 2010.
"Theological Rawls: Person, Sin, and Community," Department of Philosophy, Dalhousie University, Halifax, NS, October 6, 2010.
“Welcome to the Class of 2014,” presented at New Student Orientation, August 2010.
Presentation to the Board of Trustees, Grinnell Prison Education Program, April 2009.
"To Be a Soul in Time," Scholar's Convocation, presented to Grinnell College, September 2002.
Baccalaureate Address to the Class of 2001, May 2001.
"Freedom, Discipline, Desire," presented to the alumni of Grinnell College, June 1999.
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