Russia is cutting off Ukraine’s grain exports again, threatening a critical harvest and global food security

While the world’s attention is fixated on the US blockade of Iranian ports and the closure of the Strait of Hormuz, Russia has been subjecting Ukraine to a blockade of its own in the Black Sea, imperilling Ukraine’s summer grain harvest. Ukraine is the world’s largest exporter of sunflower seeds and sunflower oil (50% of the global supply), the third-largest exporter of barley (18%), the fourth-largest for corn (16%), and the fifth-largest for wheat (12%). Russian forces have struck at least…