How and why did proud, imperialist British colonists end up in open rebellion in the course of 12 years?
The vast majority of senior American military officers are refighting the Vietnam War through the books they read, the scholarship they publish and the policies they continue to pursue in the Greater Middle East.
With Donald Trump's generals considering renewed action, a U.S. Army strategist recalls his time in Afghanistan in 2011.
The short answer: Fight it.
Policymakers seriously overestimated the efficacy of American power to shape foreign peoples and cultures.