Just one reading for this week. It's long enough itself, and it has some commentary you should read, too.
Scott Atran, Douglas Medin, Norbert Ross, Elizabeth Lynch, Valentina Vapnarsky, Edilberto Ucan Ek’, John Coley, Christopher Timura, and Michael Baran. 2002. Folkecology, Cultural Epidemiology, and the Spirit of the Commons (with Commentary). Current Anthropology 43:421-450.