A Role for Geometry in General Education

Readers of a book with this title certainly don't need to be sold on the virtues of geometry. But virtues are not enough to justify elevating any one body of knowledge or ideas-whether as a discrete course, or as a thread interwoven into other courses-to a status that takes significant time away from other virtuous bodies of knowledge or ideas. There is a great deal worth learning, and it cannot all be taught in school. So, why geometry?