Christopher Booker - Global Warming - A Case Study in Groupthink

The term "groupthink", first used by William Whyte Jr. in 1952, given new life by Irving Janis in his book "Victims of Groupthink" in 1972, then embraced by the London Sunday Telegraph's Christopher Booker in "Global Warming - A Case Study in Groupthink".
It has to do with collective illusions, conformity, complicity and the source of bad decisions.