Target is cutting about 1,000 corporate positions and eliminating 800 open roles in an effort to speed up business decision-making and drive growth under its new chief executive, Michael Fiddelke.  Fiddelke, who will succeed Brian Cornell as CEO in February, has been focused on ways to speed up the way corporate teams work, turning the company into a leaner and faster organization to drive innovation. This includes eliminating layers of management. About 80% of the roles being cut are based in