Documentarian with a skeptical approach to just about everything. I love finding the most efficient, effective ways to create change in the world. spensergabin.com
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Virtue Signaling By Geoffrey Miller
You can download the slides from this presentation here: https://drive.google.com/file/d/0Bx5_MpZkffiJeDZuMTNpNEowb28/view?usp=sharing