Democracy has many attractive features. Among them is its tendency to track the truth, at least under certain idealized assumptions. That basic result has been known since 1785, when Condorcet published his famous jury theorem. But that theorem has typically been dismissed as little more than a mathematical curiosity, with assumptions too restrictive for it to apply to the real world. In An Epistemic Theory of Democracy, Goodin and Spiekermann proposedifferent ways of interpreting voter indepen ...