Lawyers for Mohamed al Fayed today launched an astonishing bid to force the Queen to give evidence in the Diana, Princess of Wales inquest. They called for the monarch to be "directly approached" over conversations she allegedly had with former royal butler Paul Burrell. Mr Burrell, who previously worked for the Princess, claimed after the collapse of his Old Bailey trial for theft that the monarch had once warned him of "powers at work in this country which we have no knowledge about".Mohamed al Fayed has fought a long battle over the inquest of his son, Dodi, and Diana, Princess...