NEW YORK – The United States lags far behind other nations in offering paid sick days, paid parental leave and other workplace benefits that proponents consider vital to public health and workers rights, according to research released on Tuesday. The eight-year study found the most economically competitive nations offer forms of paid leave to workers that the United States does not, according to researchers at Harvard University and Canada's McGill University. Of the world's 15 most competitive nations, 14 mandate paid sick leave, 13 guarantee paid maternal leave and 12 provide paid paternal leave by law, they said. Eleven provide...