Sergio Tenenbaum's excellent new book Rational Powers in Action raises a powerful challenge to mainstream theories of instrumental rationality.
Sergio Tenenbaum is Professor of Philosophy at the University of Toronto. He is the editor of Desire, Practical Reason, and the Good: Classical and Contemporary Perspectives (Oxford, 2010), and the author of Appearances of the Good: An Essay on the Nature of Practical Reason (Cambridge, 2007) as well as numerous articles in ethics, practical rationality, moral psychology, and Kant's practical philosophy.