'After spending a decade as the best heavyweight fighter in the world, Evander Holyfield might expect to be recognised by the average man in the street. And when the person doing the recognising is an interviewer for American TV network NBC - who employ Holyfield as a pundit - you'd be doubly sure that they know who they're talking to. That proved not to be the case, however. The reporter from the Today Programme collared Holyfield by accident while seeking opinions from fans outside Buckingham Palace about the opening ceremony, but failed to recognise the champion, referring to him only...