EXCLUSIVE: The pace of deal making at Sundance has been very deliberate, but tonight there’s action on RBG, the Betsy West & Julie Cohen-directed documentary about the storied Supreme Court Justice Ruth Bader Ginsburg. I’ve heard Magnolia Pictures has emerged as a front runner to acquire the film on the 84-year old Bader Ginsburg, whose feisty opinions and 20-pushup workouts garnered her the name Notorious RBG.