Today’s plunging oil prices will benefit a few. Motorists, once again, will be happy; but the pain will be earth-shaking for many others. Never mind the inevitable turmoil in global financial markets or the collapse of shale-oil production in the United States and what it implies for energy independence. The real risk lies in countries that are heavily dependent on oil. As in the old Soviet Union, the prospects for social disintegration are huge. Europe is already struggling to accommodate refugees from the Middle East and Africa, imagine what would happen if they imploded and their disenfranchised, angry, and impoverished residents all started moving north.