“In a political context this would politely be called an ‘unintended consequence.’ (Gotham as Baghdad, anyone?) Mr. Nolan doesn’t deny the overtones. ‘As we looked through the comics, there was this fascinating idea that Batman’s presence in Gotham actually attracts criminals to Gotham, attracts lunacy,’ he said. ‘When you’re dealing with questionable notions like people taking the law into their own hands, you have to really ask, where does that lead? That’s what makes the character so dark, because he expresses a vengeful desire.‘” The NYT checks in with Chris Nolan on The Dark Knight.