No new public domain works for US until 2019

At The Economist, Glenn Fleishman laments the freezing of the public domain in America under relentless entertainment-industry lobbying, even as Europeans enjoy an annual movement of cultural history to it: "While much of the rest of the world may take cheer from mass migration of material to the public domain each year, America has not seen one since the 1970s, nor will it until 2019."