People walk from a rural area toward a food distribution operation by the Relief Society of Tigray, near the town of Agula, in the Tigray region of northern Ethiopia on May 8, 2021. Ethiopia's warring sides have agreed to a permanent cessation of hostilities in a two-year conflict, negotiators announced this week.Ben Curtis/The Associated Press As a humanitarian official and health expert for three decades, Mukesh Kapila witnessed the horrors of genocides in Rwanda, Cambodia, Bosnia and Darfur. Now he is trying to alert the world to another emerging genocide: this time in Ethiopia. The doctor and scholar, who has...