Can a movie stop the war in Iraq? With "Redacted," director Brian De Palma hopes so. His new film recounts (and embellishes upon) an incident in which American soldiers...raped and killed a young Iraqi girl. De Palma has long held a reputation as a...copycat artist, a forger of second-rate goods who casually lifts from his cinematic betters. In..."Dressed to Kill," "Mission to Mars" and "Blow Out," he shamelessly appropriated motifs and narrative elements from respected directors like Alfred Hitchcock, Stanley Kubrick, and Michelangelo Antonioni. He's also long exhibited a particular fascination with the confluence of violence and sexuality. So instead...