'It wasn't me. I didn't do it. And I'll never do it again!' says Brian Johnson of The Lives of Brian.That AC/DC's legendary front man got to do it all is one of the most cheering and entertaining stories in rock 'n'roll history.The son of a British army sergeant-major and Italian mother, Brian grew up in Dunston, Tyne and Wear, as it emerged from the shadow of the Second World War. Then he saw