Dan Cohen: For Argument's Sale

Why do we argue? To out-reason our opponents, prove them wrong, and, most of all, to win! ... Right? Philosopher Daniel H. Cohen shows how our most common form of argument -- a war in which one person must win and the other must lose -- misses out on the real benefits of engaging in active disagreement. (Filmed at TEDxColbyCollege.)

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Source: https://www.youtube.com/watch?v=JTN9Nx8VYtk