R. Douthat, “Steven Pinker’s History of Violence,” New York Times, October 17, 2011; J. Gray, “Delusions of Peace,” Prospect, October 2011; E. Kolbert, “Peace in Our Time: Steven Pinker’s History of Violence,” New Yorker, October 3, 2011; T. Cowen, “Steven Pinker on Violence,” Marginal Revolution, October 7, 2011.
