As Syria’s civil war enters its fourth year, it’s become something of an open secret that ISIS, for all their bluster and Hollywood-level video editing capabilities, are at best an unhappy side effect of efforts to train and arm the Syrian resistance and at worst, are a "strategic asset" funded and supported by coalition governments. In other words, there is indeed a geopolitical chess match going on here that will have far-reaching consequences when the blood and dust settle, but it has nothing to do with ISIS’ far-fetched quest to establish a Medieval caliphate and everything to do with installing...