Which skills is a person born with, and which skills are learned? It's a question that's besieged historians, economists and all sorts of prognosticators. In some cases, it’s evident that nature plays a massive role in influencing outcomes. For example, you're far more likely to become a professional athlete if you have a parent who was a professional athlete. Outliers will always exist — National Basketball Association MVP Joel Embiid didn't pick up a basketball until he was 15) — but the path