ISIS is an amalgam consisting of disaffected youth, displaced Iraqi and Syrian opposition fighters, and anti-Western fundamentalists. It is a relatively small force, and has only enjoyed the military successes it enjoys because of the weakness of its adversaries. ISIS is a group unworthy of much of the awe they have inspired in the West. It is, however, an organization that does seek to function more like a state than a terrorist organization. ISIS has organized municipal services and humanitarian services. It collects taxes and fields a police force which enforces Sharia law. It provides water, electricity, and sewage...