It has emerged in the United States that Vice-President Dick Cheney took part in a promotional video for the disgraced accounting firm Andersen. The news came just before an anti-corruption pressure group filed a lawsuit against Mr Cheney, alleging fraudulent accounting practices. In the video Mr Cheney - then Chief Executive of the oil company Halliburton - describes how Andersen gave advice "over and above" what would normally be expected from auditors. Last month, the firm was convicted of obstructing justice by shredding documents relating to the failed US energy giant Enron. On Tuesday President George W Bush tried...