We cannot let our qualms over collateral damage paralyze us because our enemies know no such qualms. Theirs is a kill-the-children-first approach to war, and we ignore the fundamental difference between their violence and our own at our peril. Given the proliferation of weaponry in our world, we no longer have the option of waging this war with swords. It seems certain that collateral damage, of various sorts, will be a part of our future for