This weekend the heir to the British throne, Prince Charles, will marry his long-time mistress, Camilla Parker-Bowles. The tabloids have been having a field day. The latest irreverentpress speculation has focused on the Prince's financial affairs. The word is that, even though he was "taken to the cleaners" by his first wife, Princess Diana, Charles has rejected legal advice and refused to draw up a pre-nup with Camilla. From London Stephen Beard reports.