Armenia and Azerbaijan are engaged in a convoluted peace process in the Caucasus. But they are still tangled in a bitter fight in The Hague. Over several days of hearings in mid-April, the United Nations’ International Court of Justice (ICJ), based at the Dutch seat of government, weighed the merits of an Azerbaijani motion claiming the ICJ does not have jurisdiction over a three-year-old suit brought by Armenia. That suit demands that Azerbaijan face judgment for an array of war crimes, including fomenting hatred of Armenians that resulted in mass deaths and for systematically attempting to e…