The new edition of “Psychiatry’s Bible” — the Diagnostic and Statistical Manual of Mental Disorders, known as DSM-5 — is being released this month amid great controversy, with many in the field questioning whether psychiatry’s main diagnostic guide needs an overhaul, or to be completely abandoned. Frank Farley of Temple’s College of Education, a former president of the American Psychological Association, joined a panel of experts for a Google+ hangout hosted by Science magazine. “It’s time now to really rethink the whole concept of diagnosis,” Farley said. (The hangout is archived as a video at the link above.)