Our cartoon view of history goes straight from the Flintstones to Jetsons without developmental stages of any consequence in between. Hunter-gatherers and settled modern civilizations loom large, as bookends, in our study of history. The more I study history though, the more I realize that hunter-gatherer lifestyles are mostly of importance in evolutionary prehistory, not in history proper. If you think about history proper, a different lifestyle, pastoral nomadism, starts to loom large, and ...