Guardian: If ever you need evidence that a smear can keep spreading after it has been discredited, look no further. Last week I showed that the Sunday Telegraph’s claims that Rajendra Pachauri, chairman of the Intergovernmental Panel on Climate Change, has been quot;making a fortune from his links with ‘carbon trading’ companiesquot;, profiting to the tune of quot;millions of dollarsquot;, were entirely false. A review by the auditors KPMG, of Pachauri’s full financial records and the accounts of the …