CLEVELAND — U.S. Coast Guard ships worked in icy waters on the Great Lakes on Jan. 21 to help large cargo boats that were stuck in ice. Two Coast Guard cutters — the Mackinaw and the Neah Bay — broke ice so other ships could continue moving or reach safe harbor. The Mackinaw helped the Wilfred Sykes on Lake Huron and the Neah Bay helped the American Spirit on Lake Erie. The Wilfred Sykes is a long freighter that was stuck in thick ice on Lake Huron. The Mackinaw broke through ice and freed the