David Barnett is Associate Professor of Philosophy at the University of Colorado at Boulder. Prior to arriving at CU in 2005, he held positions at the University Vermont and Davidson College. In 2008, he was a visiting professor at NYU, where he obtained his PhD in in 2003. Barnett works mainly in philosophy of language and metaphysics, but also has interests in philosophy of mind. This podcast is an audio recording of Dr. Barnett's talk - "Counterfactual Entailment" - at the Aristotelian Society on 21 November 2011. The recording was produced by Backdoor Broadcasting Company in conjunction with the Institute of Philosophy, University of London.