It’s something climate skeptics have long suspected: Government involvement in science has skewed data to reflect the government’s agenda. “Many have suspected that U.S. political intervention in climate science has corrupted the outcome,” notes Ron Arnold in an essay posted on CFact.org. “The new emergence of an old 1995 document from the U.S. State Department to the United Nations Intergovernmental Panel on Climate Change confirms those suspicions, or at least gives the allegation credence enough to ask questions.”