Wikipedia has deleted its ‘List of Scientists Who Disagree with the Scientific Consensus on Global Warming’. Stalin — who set the template for airbrushing inconvenient people out of history — would no doubt have heartily approved of this wanton act of censorship. But what would probably have pleased him more is the magnificently twisted justification offered by the editor responsible. “The result was delete. This is because I see a consensus here that there is no value in having a list that combines the qualities of a) being a scientist, in the general sense of that word, and b) disagreeing...