Türkiye has struck a deal with Ukraine, Russia and the United Nations potentially allowing the resumption of Ukrainian grain exports that have been blocked by Russia. The deal announced July 13, 2022, comes amid a global food shortage caused by the war that started with Russia’s invasion of Ukraine in February. Ukraine is among the world’s top wheat suppliers, but 20 million tonnes of the grain are stuck in silos at the Black Sea port of Odesa because of a Russian blockade. Under the deal,…