DAUGHTER OF COMMERCE SECRETARY FILLS IN FOR ROOSEVELT GRANDCHILDREN AT EGG ROLLING. WASHINGTON, D.C. APRIL 10. DURING THE ABSENCE OF THE ROOSEVELT GRANDCHILDREN FROM THE TRADITIONAL EASTER EGG ROLLING AT THE WHITE HOUSE TODAY, LITTLE DIANA HOPKINS, DAUGHTER OF THE SECRETARY OF COMMERCE, HELPED MRS. ROOSEVELT ENTERTAIN THE THOUSANDS OF YOUNGSTERS GATHERED ON THE SOUTH LAWN