IT WOULD be illegal for the British Museum to return art- works looted by the Nazis to a Jewish family, despite its "moral obligation" to do so, a High Court judge ruled yesterday. Vice-Chancellor Sir Andrew Morritt ruled that the British Museum Act - which protects the collections for posterity - cannot be overridden by the ethical merit of a claim involving plundered art. The heirs of the art's original owners, Dr Arthur Feldmann, a Czech lawyer, and his wife Gisela, who died at the hands of the Nazis, said they were "very upset" at the ruling. They called on...