Naturally Slavoj Žižek, whose inner cultural critic wins equal time from his inner philosopher, spiced his Town Hall talk last night with cinematic references, in particular, The Dark Knight. After seeing that (and Kung Fu Panda five times, thanks to his "small degenerate son"), he was disturbed by the message that it's noble to lie on behalf of power, to protect it. In our apparently post-ideological era, Žižek argues, we're even more enmeshed in ideology......