To illustrate his open-minded approach, UT tells a favorite anecdote about economist John Maynard Keynes.
"It was late in Keynes's career, and a young man approached him after a talk and asked Keynes to explain a contradiction between what he'd said that night and an article he'd written earlier in his career. Keynes's response was simply: 'When I'm wrong, I change my mind. What do you do?'"
OK, so I made that up about UT telling the story ... but it could be true.
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