At the Venice Film Festival, Robert Pattinson received a seven-minute standing ovation for 'Primetime,' a film that uses the visual language of arthouse horror to examine Chris Hansen — the television personality who made criminal confrontation into prime-time spectacle. The film does not arrive as biography or tribute, but as a sustained inquiry into the ethics of public exposure, asking who truly performs justice and who profits from the theater of it. That such a question found its footing at one of cinema's most prestigious stages suggests the culture may be ready to sit with its own uncom