Difficulties aside, most U.S. Army and Marine Corps officers are not trained as social anthropologists or ethnographers. Economics, though, is more accessible. It is, at the most basic level, the science of decision-making. How people make decisions and what incentives drive them to make decisions (or not make decisions) is a question we can all ask and, again, a useful framework for thinking about the conflict environment in Afghanistan.
Why not saunter over and join the conversation at his blog, too? A different clientele to FT readers.