This is an electronic version of an article forthcoming in the Journal for Applied Philosophy: complete citation information for the final version of the paper, as published in the print edition of the Journal for Applied Philosophy, will be available on the Blackwell Synergy online delivery service, accessible via the journal's website at http://www.blackwellpublishing.com/journal.asp?ref=0264-3758 or http://www.blackwell-synergy.com

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