"I'd like to try to convince you that the greatest shortcoming of the human race is our inability to understand the exponential function," says modern Malthusian Albert A. Bartlett in a 1994 video lecture entitled "Arithmetic, Population, & Energy (The Forgotten Fundamentals of the Energy Crisis)" that appears on GUBA, a video-sharing and downloading site.[1]  --  "Do you really know what 7% per year means?" he asks.  --  The answer:  probably, you don't.  --  Yet understanding this is key to understanding the energy problem human society faces.  --  Albert A. Bartlett is an emeritus professor of physics at the University of Colorado at Boulder who is said to have given this lecture some 1,500 times.  --  He earned his 1951 Ph.D. from Harvard University and was national president of the American Association of Physics Teachers in 1978....