War Escalation and Food Security President Joe Biden visited Kyiv yesterday where he accused Russia of trying to starve the world. The U.S. also expressed concern that China will begin supplying lethal aid to Russia. Chinese Foreign Minister Qin Gang warned that, “We urge certain countries to immediately stop fueling the fire. Stop shifting blame to China and stop touting 'Ukraine today, Taiwan tomorrow." Separately, China’s top diplomat Wang Yi visited Moscow, purportedly in advance of a visit later this year by President Xi Jinping. The West is increasing its sanctions on Russia and there is fear that the escalation of the war will constrain global food supplies and the availability of fertilizer.  Foreign Affairs speci...