A British journalist who has challenged former Vice President Al Gore to a debate on global warming says the latest United Nations report on the purported impacts of climate change is a "prodigious overstatement" that was not developed by a scientific process, but rather a political one. The United Nation's Intergovernmental Panel on Climate Change (IPCC) has released the second of four reports it plans to issue this year on global warming. During negotiations on the report, a Belgian delegate likened global warming to Adolf Hitler. Lord Christopher Monckton of Brenchley, a former advisor to British Prime Minister Margaret Thatcher,...