Climate scientists gagged
Some link references for the issue covered on 4 corners. Government employed cimate change scientists in Australia and the USA have been ordered to be silent on facts and opinions that contradict government policy:
http://www.abc.net.au/worldtoday/content/2006/s1568549.htm
http://www.climate.org/topics/climate/climate-censorship.shtml
http://faelnarr.gnn.tv/headlines/7591/GAGGED_Australian_scientists_told_to_shut_up_about_climate_change
http://www.climateark.org/articles/reader.asp?linkid=52308
http://www.climateark.org/articles/reader.asp?linkid=52262