LONDON – How far is downhill? Well, that’s like asking how long is a piece of string. But whatever the answer, the American/NATO military effort in Afghanistan, triggered by 9/11, seems to have all the marks of a quick descent. In Barack Obama’s phrase, American public opinion doesn’t get it. How could they when Obama himself, supposedly a fresh eye on the international scene, bangs the drum for more troops and yet more force? Does European and Canadian opinion get it? Apart from the Canadians, who have had the good sense and the foresight to give a date for the withdrawal of their troops, public opinion appears to be asleep at the switch. Their young men are dying for a method of attack that the older men have devised without ever being challenge d to think it through. The policy, made within hours of the atrocity of 9/11, seemed to be...