Read here. It's been know that NASA's GISS unit has adjusted temperatures in the past that appear to make raw data look more like the "hockey-stick" favored by the Climategate scientists, IPCC bureaucrats and Copenhagen activists. To embellish their hockey-stick credentials for data fraud fabrication, the GISS people have just accomplished another round of adjustments that improves on their original hockey-stick attempts. Another example of scientists behaving badly, misleading both the public and policymakers. Go here to see another climate group's hockey-stick machinations.