Although I think there is more to the story, quite insightful thoughts from Richard Posner and Gary Becker on the relationship between intelligence and leadership. A few potential caveats I’d point out very rapidly:
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the examples considered are clearly selected to fit the theory advanced (though it is far from clear that if one considered, say, all -succesful and unsuccesful – political leaders within the last century, from all over the world, not just the USA, the correlation between intelligence and leadership would turn positive)
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“leadership failure” is far from easy to define.
