The sculpture entitled "L'enfant and Ciel" was carved by Morrie in 1959, and Morrie lived for another 20 years after that. Shortly,before dying Morrie announced that all of her work created before 1970 was subject to a CC0 dedication. Dorrie wants to make and sell earring that are small versions of the sculpture. Morrie's heirs and her executor have refused to give Dorrie permission. It is 2020. Why can or why can't Dorrie publish the new edition?