I would suggest that one of the philosophical tasks for left scholarship in the next century is to counter the weak taxonomies of property discourse that have been developed since Locke and Hobbes. Perhaps, following the recent essay by Daniel W. Bromley, we could pick up Rousseau's and Marx's torch and develop a richer repertoire of property categories that analyzes all the economic and ecological effects of various types of business properties currently in existence and demonstrate how they constitute barriers to equality and sustainability.
The Constitution says nothing regarding the government' ability to reappropriate property for the common good, only that it compensate those from whom it takes...
Ian Murray Seattle, WA
Daniel W. Bromley "Rousseau's Revenge: The Demise of the Freehold Estate", in Who Owns America: Social Conflict Over Property Rights, edited by Harvey Jacobs, Univ. of Wisconsin Press, 1998