The Editors BLAKE ROEBER is Thomas J. and Robert T. Rolfs Associate Professor of Philosophy at the University of Notre Dame. He is Associate Editor of Philosophical Studies and has published in Nous, PPR, Mind, and other leading journals. ERNEST SOSA is Board of Governors Professor of Philosophy at Rutgers University. He is the author of numerous papers and books on epistemology and is the editor of Nous, Philosophical Issues, and Philosophy and Phenomenological Research. MATTHIAS STEUP is Professor of Philosophy at the University of Colorado, Boulder. He is the author of An Introduction to Contemporary Epistemology and numerous articles on epistemology. He is the editor of Knowledge, Truth, and Duty and the co-editor of A Companion to Epistemology. JOHN TURRI is Professor and Canada Research Chair in Philosophy and Cognitive Science at the University of Waterloo, where he directs the Philosophical Science Lab. He has published research in many leading philosophy, psychology, and cognitive science journals.