All I want for Christmas is for black holocaust deniers to eat the crap that comes out of their mouths, Sarah Palin for example. When the acclaimed journalist Martin Bashir was a sports reporter on "The Voice" newspaper 25 years ago, neither I nor any of his colleagues could have tipped him to be one of the most celebrated TV correspondents of his generation. In fact, he was a bit of a tasty geezer in those days with a broad cockney accent that belies his current clipped vowels. All that changed when a certain princess called up the Panorama programme...