Capitalism full of energy, stable capitalismthis seems to be what Zuccotti Park originally set out to show. In the 3,000-square-meter area in the financial district of New York, there are two statues. One is a soaring red construction: Joie de Vivre by Mark di Suvero; the other is a bronze sculpture that depicts a businessman sitting calmly.

These days of course no-one pays any heed to either of them. Over the last three weeks the park has thronge