Writing with the vigor and elan that readers have come to expect from his many astute reviews and essays, Willard Spiegelman maintains that contemporary American poets have returned to the poetic aims of an earlier era: to edify, as well as to delight, and thus to serve the "didactic muse." What Spiegelman says about individual poets--such as Nemerov, Hecht, Ginsberg, Pinsky, Ammons, Rich, and Merrill, among others--is wonderfully insightful. Furthermore,...