Reports by the National Research Council of the National Academy of Sciences are among the best scientifically. As our trusted instutitions get progressively corrupted, these reports are as free as possible from political spin. Lanny Schwartz http://www.nytimes.com/2003/03/05/science/05ARCT.html?pagewanted=print&position=top - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - To get off the IOWA-TOPICS list, send any message to: [log in to unmask]