While commentators do not represent the opinion of a website (as we would argue at dailykos.com), in the current thread on the NBC/Facebook debate, one commentator is posting similar pictures of president Obama and former fascist mass murderer Adolf Hitler.
Obviously nobody has yet removed that post, although there is an "report abuse" button in each post. But its only available if youre registered there.
See here for yourself: http://dyn.politico.com/...