Deniers' canard blown out the water

Gordon: "No such thing as global warming."Peter: "Why do you say so?"Gordon: "In the '70s scientists were predicting global cooling, now they predict global warming."Peter: "So they got that wrong?"Gordon: "Sure did."Peter: "So... I thought you didn't believe in global warming?"Gordon:Peter: "Just read Realclimate! They now have a study on what climate scientists really were saying in the '70s."