The U.N. food chief on Tuesday warned that Russia’s Ukraine invasion will have a global impact “beyond anything we’ve seen since World War II” and that the war has created “a catastrophe on top of a catastrophe.” “We would have never dreamed anything like this would be possible,” David Beasley, executive director of the U.N. World Food Program told the U.N. Security Council. Already high food prices are skyrocketing, said Beasley, because many of the Ukrainian farmers who produce a significant amount of the world’s wheat are now fighting Russians. The U.N. Food and Agriculture Organization warned earlier this month of a looming global food crisis, with supplies of crucial staple crops threatened amid the ongoing conflict. Russia and Ukraine are key exporters of grain, supplying nearly 30 percent of wheat and nearly 20 percent of corn in the global market. Prior to Russian President Vladimir Putin’s invasion of Ukraine …