"One of the principal reasons that policymakers should study history is to avoid repeating the mistakes of their predecessors. Mistakes in the realm of economics, social policy, defense, and foreign policy all come to mind . . . By knowledge of history, I do not mean a professional historian who grasps all the nuances of what has occurred in the world over the last 500 years . . . What I have in mind is something else . . . a practical understanding of what has worked in the past and what has not."
Read this interesting piece here at The American Thinker.