No matter how civilized we are and how much society has curbed violent behavior. Human beings still have the same genes they had 10,000 years ago. Our bodies are designed to have a certain amount of physical stress and violence in them. We're designed to run from jaguars and fight to defend our territory.

The sustaining fantasy of Nolan's Batman films - which does chime uncomfortably with Romney -is that the excesses of finance capital can be curbed by a combination of philanthropy, off-the-books violence and symbolism.