North Korea has managed to produce the largest undernourished population of any country, 41.6 percent. Like supporters of Cuba, some blame U.S. sanctions policy, although food is excluded from any restrictions. Joseph Yi at Hanyang University in Seoul calls for resuming aid and supplying aid workers, while admitting the regime’s treatment of such foreigners has not been kind.  Only 17 percent of North Korea is arable land, mostly in four west coast provinces. A fifth of the population toils under a self-sufficiency policy while the autocratic regime focuses on weapons production and other survival techniques for the privileged elites. Professor Yi’s argument is that providing or withholding food aid does not cause the regi...