"The complexity of all this is hard enough for experts to understand," says Paul R. Pillar, a former CIA analyst. "It's not surprising if it baffles a lot of ordinary people."
And, from there, it goes downhill. I started yesterday on what I thought would be a relatively quick piece and, eight hours later, was still writing it. If you are not interested in Afghanistan, don't bother, but if you are, then you can read the result on Defence of the Realm.
Too tired for anything else, so I'll post some more general pieces later today.