Zizek on The Dark Knight as a parallel to Wikileaks

The district attorney, Harvey Dent, an obsessive vigilante who is corrupted and himself commits murders, is killed by Batman. Batman and his friend, police commissioner Gordon realise that the city's morale would suffer if Dent's murders were made public, so plot to preserve his image by holding Batman responsible for the killings. The film's take home message is that lying is necessary to sustain public morale: only a lie can redeem us. No wonder the figure of truth in the film is the Joker, its supreme villain. He makes it clear that his attacks on Gotham City will stop when Batman takes off his mask and reveals his true identity; to prevent this disclosure and to protect Batman, Dent tells the press he is Batman - another lie. In order to entrap the Joker, Gordon fakes his own death - yet another lie.

The Joker wants to disclose the truth beneath the mask convinced that this will destroy the social order. What shall we call him? A terrorist? Civilisation, in other words, must be grounded on a lie.