NATO demonstrators march towards Chicago Mayor Rahm Emanuel's home, Saturday, May 19, 2012, in Chicago. On Sunday, the start of the two-day NATO summit, thousands of protesters are expected to march ... more 
NATO demonstrators march towards Chicago Mayor Rahm Emanuel's home, Saturday, May 19, 2012, in Chicago. On Sunday, the start of the two-day NATO summit, thousands of protesters are expected to march to the McCormick Place convention center, where NATO delegates will be meeting. (AP Photo/John Minchillo) less 
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Associated Press | Photo By John Minchillo
Sun, May 20, 2012 3:05 AM EDT