Culture note, from The Economist, 19 Dec 06:

Pushtunwali: Honor Among Them
...It is over 250 years since Afghanistan was cobbled together, from many ethnic groups, and two centuries since British colonisers tried stretching their writ to India's (now Pakistan's) north-western frontier, where the plains crumple up towards the Hindu Kush. Yet, in both places, a large part of the population is still wedded to Pushtunwali. Some 15m Pushtuns live in Afghanistan, or 50% of its population; and 28m in Pakistan, mostly in NWFP, representing about 15% of the population there. Most of them are ruled by their tribal code, the notable exception being where the rival Islamist code, of the stringent Saudi variety which is preached by the Taliban and quite new to Afghanistan, is strong. Islamism has rivalled Pushtunwali for centuries; it has often gained prominence, as currently, in time of war. More typically, the two competing ways have cross-fertilised in Afghanistan, each subtly influencing the other...