FILE- In this July 22, 2015, file photo, activists cheer during a rally after the New York Wage Board endorsed a proposal to set a $15 minimum wage for workers at fast-food restaurants with 30 or more locations in New York. The first question in the GOP presidential debate on Tuesday, Nov. 10, 2015, whether the minimum wage should go to $15 an hour, showed that U.S. workers have managed to thrust the issue of pay onto the presidential campaign agenda. (AP Photo/Mary Altaffer, File)