Earlier this year, shortly before the publicity machine for her new film Duplicity moved into gear, Julia Roberts inadvertently starred in a 43-second movie that made the rounds online. Though she’s costumed in mom jeans and comfortable shoes, she’s featured at her most thrilling, marching menacingly toward the camera and quickly exceeding the number of expletives allowed in a PG-13 movie. “I have had it with you,” she tells the paparazzi