Breaking down the"breakthrough" Colorado River deal

It's big news, but probably won't be enough to save the river system

The Colorado River and the silt flats left behind by a receding Lake Powell. Note the old Hite Marina boat ramp on the left side of the image. This was once at water’s edge. Jonathan P. Thompson photo.

The News: Arizona, California, and Nevada have come up with a landmark agreement to slash their consumption of Colorado River water by 3 million acre-fee…