A.C. Grayling on Descartes' Cogito Philosophy Bites - A podcast by Edmonds and Warburton Play Categories: Education Society & Culture A.C. Grayling, author of a recent biography of René Descartes, explores Descartes' Cogito argument, the pivotal argument of the Meditations, in conversation with Nigel Warburton in this episode of Philosophy Bites. Visit the podcast's native language site