Here are a few headlines about an African tragedy: “Africa’s Worst Locust Plague in Decades Threatens Millions” (The Wall Street Journal), “‘Unprecedented’ Locust Invasion Approaches Full-Blown Crisis” (Scientific American), “Somalia Declares Locust Outbreak a ‘National Emergency’” (The National) and “UN Calls for International Action on East Africa Locust Outbreak” (Bloomberg Green). This ongoing tragedy is mostly man-made, according to an analysis by Paul Driessen, who is a senior policy adviser with the Committee...