CUTTYHUNK ISLAND, Mass. - Actress Jenny Slate, known for her roles on “Parks and Recreation” “Saturday Night Live” and as the voice of Assistant Mayor Bellwether in “Zootopia,” will have a very small audience when she addresses the Class of 2019. Slate will give the graduation speech for the ceremony at Cuttyhunk Elementary on Cuttyhunk Island off Cape Cod. The ceremony will graduate only one eighth grade student, 13-year-old Gwen Lynch, The New York Times reported. Cuttyhunk Island has a population of about 12 people most of the year, the Cape Cod Times reported. Vacationers fill the 2 and a...