James McGuire, professor of government, is the author of "Mortality Decline in Chile, 1960-1995," published in Living Standards in Latin American History: Height, Welfare, and Development, 1750-2000, Cambridge, Mass: David Rockefeller Center for Latin American Studies, Harvard University, 2010; and "Political Factors and Health Outcomes: Insight from Argentina's Provinces," published in the United Nations Development Programme, Human Development Report 2010, September 2010.