I’m writing this near the end of December, the time of year when we take stock of where we’re at as we look at the past year, assess our progress, and plan for the new year to see where we can improve. We scrutinize our budgets, especially at the Christmas spending season, to analyze what went wrong, and to prevent similar mistakes in the new year. While we hope to be careful managing our money, we also need to be especially careful about managing our attention. We have only a limited number of attention units. That is why, in an increasing number of places, there are laws that prohibit talking…