American imperial collapse

PVE, then, is first and foremost a narrative device: a tool used, largely unconsciously, to inject fresh legitimacy into a war on terror that by 2008 had fallen into disrepute. More specifically, PVE appears to dampen the queasiness felt at pursuing a course of action that quite obviously conflicts with Western liberal values, wrapping hard-edged counterterrorism in gentle language. In that sense, it renovates a long-held tradition.