Atlantic Cities: Right now, El Pasos drier than an cow bone baking in the Chihuahuan Desert, and an important source of water for drinking and farming has shrunk into the sandy puddle you see below. The vast desolation of the Elephant Butte Reservoir named so not because of the presence of pachyderms, but due to a hump in the landscape vaguely shaped like a hulking animal is a weighty concern for residents of El Paso, who get about half their water from it. During flush times in the late 1980s and 90s, the...