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Protesters camp out near Wall street in New York

Michael Nagle / Getty Images

People protesting the economic system walk on a financial district sidewalk as office workers head to work on September 19 in New York City.

Michael Nagle / Getty Images

People protesting the economic system flood financial district sidewalks as office workers head to work on September 19 in New York City. Organizers said the protests, which began Saturday, could last for weeks.

Emmanuel Dunand / AFP - Getty Images

Participants in the "Occupy Wall Street" demonstrate around Wall Street attempting to disrupt pedestrian flow for financial workers to get to work, in New York, on September 19.

Michael Nagle / Getty Images

A protester sleeps in Zuccotti Park, where demonstrators against the economic system have been gathering, on September 19, in New York City.

Emmanuel Dunand / AFP - Getty Images

Participants in the "Occupy Wall Street" demonstrate around Wall Street attempting to disrupt pedestrian flow for financial workers to get to work, in New York, on September 19. Hundreds of demonstrators, who descended on Lower Manhattan on Saturday with the aim of staying at least until the open of the New York Stock Exchange on Monday, had planned to turn the area into an "American Tahrir Square."