I have never told a lie, Tony Blair insisted on Sky TV last night. But within half an hour, a devastating bombshell on Channel 4 News blew his credibility to smithereens and proved conclusively that over Iraq he was again lying through his teeth. No longer is there any room for doubt. This Prime Minister not only took Britain to war on false pretences. He also misrepresented the confidential legal advice from Attorney General Lord Goldsmith to give a dishonest summary to MPs and even his own Cabinet. Mr Blair has insisted all along that the war was unequivocally legal, that he had been given no caveats or conflicting advice and that the Attorney General had never changed his mind. But those words are now exposed as utterly false. Lord Goldsmith warned that failure to secure a second UN resolution authorising war would force the Government 'urgently' to reconsider its legal case. He warned that to invade Iraq without a second resolution, "we would need to demonstrate hard e...