Roger Gathman’s excellent blog  Limited Inc was one of the “hey you can be a derridean and blog and not be a jerk” moments that eventually led to me creating this blog.  Via this post of his I came to this fascinating interview with psychologist Paul Ekman, who describes how he became a reader and researcher of faces: to decide between Gregory Bateson’s and Margaret Mead’s reading that facial expressions are primarily cultural, and Darwin’s reading of faces as “universal,” although I suggest “an expression of biological systems” as a better…expression.  It’s a great interview, and showcases why UC Berkeley’s Conversations with History is such a good venue for learning about science and the people who practice it –the interview with Richard Lewontin is also very nice…