The French Surrealists invented a game called "Exquisite Corpse: to write collaborative poems, and thus the title of Denise Duhamel and Maureen Seaton's new book of poetry, "Exquisite Politics," hints at its collaborative nature. The result of years of individual and collaborative writing, these inspired and dating poems speak at times in a breezy, conversational style, and at other moments with taut lyric intensity, probing the mysteries of relationships, personal histories, and issues of sexual and political identity.