Originally uploaded to https://www.youtube.com/watch?v=xD46wWX-Xs8 by Tony Heller This year marks an important 30th anniversary of NASA's James Hansen testifying before Congress about global warming. Hansen and Senator Tim Wirth sabotaged the air conditioning to fool people into thinking the heat was due to "global warming" - and then Hansen went on to make a series of failed predictions. This video examines those predictions.