BBC: Media regulator Ofcom is due to decide whether a Channel 4 documentary broke rules on accuracy and fairness. The Great Global Warming Swindle attracted various complaints, including claims it misled contributors. The Intergovernmental Panel on Climate Change (IPCC) and the former UK government chief scientific adviser Sir David King were among the complainants. Channel 4 said it aired the documentary to demonstrate that the debate on climate change was not over. …