Washington DC has not excelled in grand strategy; the art and science of cost-effectively employing the diplomatic, economic, and informational powers of the United States in combination with its armed forces to secure its national goals and interests. Most of the strategic decisions to use American military power that were made over the last 30 years resulted in one of two strategic outcomes: abject failure (Somalia, Haiti, Afghanistan, and Iraq) or a new regional status quo that is untenable without a permanent U.S. military presence far from America’s borders (the Balkans). The reasons...