A potentially dangerous regional war may be developing in Northeast Africa thanks to the Chinese-funded Grand Ethiopian Renaissance Dam (GERD). It seems that, wherever people grab onto Chinese money, despair follows.The Nile is the longest river in Africa and may be the longest in the world. (The Amazon competes with it for that title.) While Egypt’s historic prominence means that most people instinctively associate the Nile with that country, the great river actually runs through eleven nations. The White Nile begins in Rwanda or Burundi, flowing north through Tanzania, Uganda, and South Sudan. The Blue Nile begins in Ethiopia, flowing...