Stephan:   Five years ago I wrote a long essay about what I saw as the long term result of climate change in the Southwest, and was told by many who read it that it was alarmist, and that "things will never get to that point." Sadly, they will. Aiguo Dai, a University associate professor who did not take part in the study described in this report described the Southwestern drought this way: "This provides huge warning sign for society, for the governments to take action to slow down global warming. If they don't, its likely the Southwest could become unsuitable for agriculture or many other activities." Phoenix, Las Vegas, Tucson, and other cities of the Southwest are doomed as they are currently configured. The migration out of the drought states, will be augmented by the migration away from the coasts as large sections of cities such as, Los Angeles, San Francisco, Seattle, Norfolk, most of southern Florida, Baltimore, Washington, Philadelphia become submerged. Millions of Americans will be on the move and, as that happens, the economic structure of the U.S. will experience an unparalleled crash.