Reviews Jonathan Glover, Humanity: A Moral History of the Twentieth Century.
First Things 114 (2001)

Presented at the 9th Thomistic Institute, Jacques Maritain Center, University of Notre Dame, 2004; later included as Chapter 4 of The Line Through the Heart

(Abridged by 50%. For the complete version, see The Line Through the Heart, Chapter 3.)
First Things 188 (2008)

(With apologies to John Bunyan)
First Things 117 (November, 2001)

In Francis J. Beckwith, Robert P. George, and Susan McWilliams, eds., A Second Look at First Things: The Hadley Arkes Festshrift (St. Augustine's Press, 2013)

Communio: International Catholic Review 38:2 (2011)