A rare behind-the-scenes glimpse of one of the most popular and colourful businessmen in Britain. Sir Richard Branson is up at 5 a.m. and is still going at midnight, taking in a dozen media interviews, a ride on his new Virgin train and dinner with pop stars Liberty X.There is also an insight into the man behind the public persona; is he really is the charming boss who is never too busy for a quick chat with his staff, or does he have a darker side?