By. Nathaniel Seaman DOI. 10.57912/31146541 The Tigris and Euphrates rivers are a mighty pair that have cast a long shadow on human history. It was on their banks that the first agricultural revolution  gave way to the first human civilization. Their waters  have been crossed by many of history’s greatest empires, from the Assyrians to the Ottoman to the British. Now, however, the rivers themselves, and the millions who live on their banks and rely on them, are facing new problems.  Iraq is...