On "Meet The Press" This Morning....

.... they had, as a guest, Mark Fischetti who authored an article for Scientific America in October 2001 entitled "Drowning New Orleans". It begins with the introduction of "A major hurricane could swamp New Orleans under 20 feet of water, killing thousands. Human activities along the Mississippi River have dramatically increased the risk, and now only massive reengineering of southeastern Louisiana can save the city ."