Doing well with money isn't necessarily about what you know. It's about how you behave. And behavior is hard to teach, even to really smart people. Money-investing, personal finance, and business decisions-is typically taught as a math-based field, where data and formulas tell us exactly what to do. But in the real world people don't make financial decisions on a spreadsheet. They make them at the dinner table, or in a meeting room, where personal...