R aoul Peck is one of our most valuable documentary filmmakers . Instead of just presenting us with information, he shows us ways of seeing , inspiring us to look for patterns and connections we might not have seen otherwise. That’s the principle at work in his new documentary Orwell: 2+2=5, premiering at the Cannes Film Festival. You can know George Orwell’s work backward and forward and still find something new in Peck's film; or you can be an Orwell neophyte and understand why, 75 years