When positive thinking is not positive

http://www.newsdaily.com/TopNews/UPI-1-20060728-12535900-bc-us-heat.xml

Los Angeles officials never expected electricity demand would reach the levels it did during the recent heat wave, the Los Angeles Times says....Interviews and documents show the Los Angeles Department of Water and Power overestimated the quality of its equipment while underestimating how much power would be needed