Graham Nash, left, and David Crosby, rear, perform a free acoustic concert of protest songs at Occupy Wall Street's Zuccotti Park encampment in New York, Tuesday, Nov. 8, 2011. (AP Photo/Kathy ... more 
Graham Nash, left, and David Crosby, rear, perform a free acoustic concert of protest songs at Occupy Wall Street's Zuccotti Park encampment in New York, Tuesday, Nov. 8, 2011. (AP Photo/Kathy Willens) less 
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Associated Press | Photo By Kathy Willens
Tue, Nov 8, 2011 5:06 PM EST