Sagan nicely debunked by Michael Crichton
Sagan was arguably one of the slickest third rate scientists of the 20th century. What Sagan didn't know about science was more than compensated for by his vast skill in public relations. Unfortunately for Sagan, history is catching up with him. Michael Crichton has more or less made it one of his life missions to debunk Sagan, refer to:
http://www.crichton-official.com/speeches/speeches_quote04.html
Google the following and you can find more:
Michael Crichton Sagan nuclear winter
Gary
