 This offer is available for a limited time to U.S. residents only and cannot be combined with any other offer. Offer does not apply to DVDs, books, merchandise, or music. Welcome back to When Radio Was on our weekly visit with Mary Foster, the editor's daughter. Enjoy. And now, Mary Foster, the editor's daughter. When Della, Mrs. Darby's housekeeper, refused to take the trip to California with Mary Foster Lord and Mrs. Darby, their plans came to an abrupt halt.