For years, the dispute over the Grand Ethiopian Renaissance Dam was presented as a contest between two countries: Egypt, fearful for the security of its most vital water source, and Ethiopia, determined to exercise what it calls its sovereign right to development. That frame is now breaking down. The Nile dispute is becoming entangled with the security of the Horn of Africa, the war inside Ethiopia, relations with Eritrea and Sudan, and the argument over access to the Red Sea. The shift is visib
