People sometimes assume that because I’m a Harvard psychologist, I’m fearless—that I’ve somehow mastered the art of courage. I wish that were true. In 2023, I was sitting in a café in São Paulo with ...

The reason Rahm’s backswing is short and quick goes back to how he compensated for a birth defect. He describes it as a “club foot,” and although it was corrected in childhood through a series of ...