Keynote Address at the Annual World Bank Conference on Land and Poverty, March 23, 2015, Washington D.C.

VOX, 18 February 2015.

El Espectador, DOMINGO, 18 DE ENE DE 2015.

El Espectador, Sunday August 10, 2014.

Lecture on Why Nations Fail at Babeş-Bolyai University, Cluj, Romania, June 23, 2014.

Interview with María Jimena Duzán, Semana, 15 al 22 Junio, 2014.

Article in El Espectador, May 25, 2014