Ukraine typically exports about half of the world's sunflower oil supply.The war in Ukraine has entered its third month, and the global supply chain has increasingly been affected by Russia's invasion of its eastern European neighbor. One of the more measurable consequences is both the increasing costs and dwindling supplies of sunflower oil. Before the conflict began, Ukraine exported nearly half of the world's total supply of the cooking oil, and supermarkets in the United Kingdom and in parts of Europe are starting to put limits on the number of bottles that shoppers can buy. "Supply chains, already disrupted by...