By Ken Raymond Book Editor kraymond@oklahoman.com"Love Can Be: A Literary Collection About Our Animals," edited by Louisa McCune and Teresa Miller (Kirkpatrick Foundation, 240 pages, in stores) "Love Can Be," an anthology of writings about animals, is enjoyable, fascinating and essential. It collects poems and prose from 30 authors, among them Joyce Carol Oates, Dean Koontz, N.