A Chicago police officer watches more than 40 designated protesters, in their act of civil disobedience, occupying the LaSalle St. bridge over the Chicago River, Thursday, Nov. 17, 2011, in Chicago.

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Occupy Wall Street protesters gather in Union Square after marching from Zuccatti Park, Thursday, Nov. 17, 2011, in New York. Two days after the encampment that sparked the global Occupy protest movement was cleared by authorities, demonstrators marched through New York’s financial district and promised a national day of action with mass gatherings in other cities.

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An Occupy Wall Street protestor is grabbed by police as he tries to escape a scuffle in Zuccotti Park, Thursday, Nov. 17, 2011, in New York.

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Protesters affiliated with Occupy Philly encampment at City Hall march to the Market Street bridge in Philadelphia Thursday, Nov. 17, 2011.

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Occupy St. Louis protestors march down 4th Street on their way to the Martin Luther King Bridge Thursday, November 17, 2011, in downtown St. Louis.

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An Occupy Houston marcher reacts as a police horse grabs her poster while she stages a sit-in in the middle of the street Thursday, Nov. 17, 2011, in downtown Houston. About a dozen marchers were arrested.

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A protester burns a fake one hundred dollar bill outside a Bank of America office in Portland, Ore., Thursday, Nov. 17, 2011. Several hundred protesters marched through downtown, stopping at banks along the way.

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Protesters march in downtown streets during a rally in Detroit, Thursday, Nov. 17, 2011.

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A protester chants his slogans in front of police officers during a rally in Los Angeles, Thursday, Nov. 17, 2011. Occupy Wall Street demonstrators held energetic rallies around the country Thursday to celebrate two months of protests and signal that they aren’t ready to quit yet.

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Police officers shove demonstrators affiliated with the Occupy Wall Street movement as they block the entrance to the New York Stock Exchange on Broad Street, Thursday, Nov. 17, 2011 in New York. Two days after the encampment that sparked the global Occupy protest movement was cleared by authorities, demonstrators marched through New York’s financial district and promised a national day of action with mass gatherings in other cities.

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Occupy Los Angeles protesters march through downtown Thursday, Nov. 17, 2011.

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Police officers move in to arrest protesters during a rally in Los Angeles, Thursday, Nov. 17, 2011.

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Jai Veda, left, attempts to calm an enraged camper following an altercation with another camper in the Occupy San Franciso campsite on Thursday, Nov. 17, 2011, in San Francisco. Protesters scrambled to clean up their camp after Mayor Ed Lee warned in a meeting Wednesday that police would move in if sanitation problems continued and the camp spread into other areas. Protesters said the city gave them a 4 p.m. deadline to cut the number of tents down to 100, from 200, and remove trash and other health hazards.

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Occupy Wall Street protesters block streets and chant near the New York Stock Exchange in New York, Thursday, Nov. 17, 2011.

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Police officers shove freelance photographer Andrew Kelly to the ground while he was working taking pictures of demonstrators affiliated with the Occupy Wall Street movement as they block the entrance to the New York Stock Exchange on Broad Street, Thursday, Nov. 17, 2011 in New York.

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Demonstrators from the Occupy Wall Street movement lift a police barricade at Zucotti Park in New York on Thursday, Nov. 17, 2011. New York police stood prepared for tens of thousands of Occupy Wall Street demonstrators to descend on the Financial District, and ringed the area with metal barricades to deter crowds from reaching their goal of surrounding the New York Stock Exchange.

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Protestor David Danzinger stands outside the Foley Federal Building to demonstrate with other Occupy Las Vegas protestors on a national Day of Action, Thursday, Nov. 17, 2011, in Las Vegas.

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Occupy Wall Street protesters chant while jumping on police barricades in Zuccotti Park in New York, Thursday, Nov. 17, 2011. Demonstrations of Occupy Wall Street protesters popped up from coast to coast Thursday to mark two months since the movement’s birth in Zucccotti Park in Manhattan.

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Police officers arrest a demonstrator affiliated with the Occupy Wall Street movement, Thursday, Nov. 17, 2011 in New York.

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The New York Stock Exchange is seen in the background as Occupy Wall Street demonstrators William Harkins, left, of Boston, Austin Rose, center, of Portland, Ore., and Matthew Karges, of Brooklyn, lock arms as they block Broad Street, Thursday, Nov. 17, 2011 in New York.

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A police officer arrests a demonstrator affiliated with the Occupy Wall Street movement as they block the entrance to the New York Stock Exchange on Broad Street, Thursday, Nov. 17, 2011 in New York.

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A woman argues with demonstrators affiliated with the Occupy Wall Street demonstrators as they block Broad Street, Thursday, Nov. 17, 2011 in New York.

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Police officers arrest a demonstrator affiliated with the Occupy Wall Street movement Thursday, Nov. 17, 2011 in New York. Hundreds of Occupy demonstrators marched through New York’s financial district and staged sit-ins in the streets near the New York Stock Exchange.

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Traders on the floor of the New York Stock Exchange watch a television monitor of Occupy Wall Street activities, Thursday, Nov. 17, 2011. Stock indexes edged lower in early trading Thursday as spiking bond yields in Spain overshadowed the latest signs of growth in the U.S. economy.

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An Occupy Wall Street protester yells as he is arrested after blocking an intersection near The New York Stock Exchange in New York, Thursday, Nov. 17, 2011.

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Occupy Chicago protesters march down Randolph St. Thursday, Nov. 17, 2011, in Chicago.

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Edward Jude, center, joins others on the North Avenue bridge during an occupy Wall Street protest on Thursday, November 17, 2011, in Milwaukee, Wis.

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Los Angeles police officers carry a protester who refused to walk after being arrested in Los Angeles, Thursday, Nov. 17, 2011. Police raids have destroyed some of their encampments.

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A police officer uses pepper spray on an Occupy Portland protestor at Pioneer Courthouse Square in Portland Ore., Thursday, Nov. 17, 2011.

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