By the time we reach voting age, almost all Americans have at least a high school education. That means we have been exposed to numerous math courses, and hopefully passed them. But that does not mean we have a good sense of numbers. Innumeracy in the modern sense means that one does not have a good grasp of statistics and probability and how they impact one’s worldview. This article by FiveThirtyEight discusses a recent study of how little the blue and red teams know about each other, a prime example of how innumeracy is causing real problems in America.