181761 external_news 1357727317 1475893572 "Interestingly, presidential intelligence and open-mindedness may count only at the extremes. The top 10 most 'intellectually brilliant' or mentally 'open' presidents scored on average a substantially higher economic GPA than the bottom 10, but there was no significant correlation overall," says Mark Zachary Taylor, assistant professor in The Sam Nunn School of International Affairs. Source: Bankrate, January 8, 2013

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