Useful Enemies

There are currently between twenty and thirty civil wars worldwide, while at a global level the Cold War has been succeeded by a "e;war on drugs"e; and a "e;war on terror"e; that continues to rage a decade after 9/11. Why is this, when we know how destructive war is in both human and economic terms? Why do the efforts of aid organizations and international diplomats founder so often? In this impor...