1. Marie Skłodowska-Curie Research Fellow, CSIC, Institute of Philosophy, C/Albasanz, 26-28. Madrid 28037, Spain
2. School of Social Science, Michie Building #9, Level 2, The University of Queensland, St Lucia QLD 4072, Australia
3. Department of Anthropology, Cornell University, 261 McGraw Place, Ithaca, NY 14850, USA edr67@cornell.edu