* Headlines for August 20, 2007 * American Psychological Association Rejects Blanket Ban on Participation in Interrogation of U.S. Detainees * APA Interrogation Task Force Member Dr. Jean Maria Arrigo Exposes Group’s Ties to Military * Dissident Voices: Ex-Task Force Member Dr. Michael Wessells Speaks Out on Psychologists and Torture * APA Members Hold Fiery Town Hall Meeting on Interrogation, Torture