Actor or mimic or both? Philip Seymour Hoffman certainly delivers a plausible and captivating portrayal of the eponymous acclaimed novelist in the late 1950s. He is researching his latest novel when he alights on news of the brutal murder of a Kansas family. Pretty unscrupulously, this rather unfulfilled writer decides this is a rich vein for him to exploit, and so using just about every (legal) m...