Graduates of Mississippi’s Clarke College classes of 1959, 1960 and 1961 are invited to attend a class reunion Oct. 18-22. It will be held at Lake Tiak-O'khata, in Louisvisse, Miss. Activities begin on Friday with a fellowship at the Raven Annex. Saturday events include a reunion meal and program 12-4 p.m. Following this event will be a spaghetti supper 4-10…