The pictures are as appalling as any that have come across global television screens, yet no one is calling for direct intervention to stop the month-old killing spree in Rwanda. However troubled they might be by the scale and ferocity of the slaughter, Western nations have offered little more than emotional expressions of sympathy for the victims.
The American appetite for such missions, even in cases of dire human need, has been dulled by experiences like Somalia. "Lesson No. 1," President Clinton said last week, "is, Don't go into one of these things and say, maybe we'll be done in a...