National Public Radio: The persistent drought is raising questions about how the Mississippi River is managed - both upstream and down.
While cargo traffic upriver has gotten lots of attention, the drought is creating a different set of problems downriver at the mouth of the Mississippi, where saltwater has encroached.
An old-fashioned staff river gauge behind the New Orleans district office of the U.S. Army Corps of Engineers shows the Mississippi is running just shy of 6 feet above sea level at the river bend....