Gray II, Richard J. ed. The Performance Identities of Lady Gaga: Critical Essays. Jefferson: McFarland, 2012 ISBN: 978-9-7864-6839-0 265pp (paperback) by Claire Sedgwick It has become almost cliched to describe Lady Gaga as a cultural phenomenon, but since the release of her debut album, The Fame in 2008, her outlandish performances and constant media speculation about…