Here's the article I originally wanted to post but couldn't find. Does a much better job than the more cursory nat geo piece. http://www.freerepublic.com/focus/

Here's the article I originally wanted to post but couldn't find. Does a much better job than the more cursory nat geo piece. http://www.freerepublic.com/focus/news/807641/posts http://www.freerepublic.com/focus/news/807641/posts