Experts are drawing a connection between an important natural resource and tensions in the Middle East. In this case, it's water, not oil.In an arid region, the availability of fresh water from rivers, lakes and aquifers is crucial for agriculture. If the water runs out, it costs people their livelihood and it could even create a catalyst for a popular uprising against an oppressive regime. Middle East experts say water scarcity is playing at least some role in the Arab Spring upheaval.That's why a new NASA study on the Tigris and Euphrates river basins is getting attention among these ... Read More