American Psycho and Less Than Zero author Bret Easton Ellis has taken to Twitter to go off on the late novelist David Foster Wallace, prompted by a late-night reading of D.T. Max's biographyEvery Love Story Is a Ghost Story: A Life of David Foster Wallace. To put the smack-talk into perspective, here are the greatest literary feuds in history, from Mailer punching Vidal to Dickens vs. Thackeray.