US intelligence fears 'water-based state conflict' in not-so-distant future
                                
                                
                                    (Newser) -
                                    Soon, the precious commodity that starts wars may not be oil: It'll be water. Thanks to fresh-water shortages, droughts, and floods, US intelligence thinks it's increasingly likely that water could be "used as a weapon" in war, with one state denying water to another, according to a...