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CHICAGO, IL – JULY 22: Pro-Israel demonstrators wave flags during a rally on July 22, 2014 in Chicago, Illinois. More than 1000 people supporting both sides of the 14-day-old conflict along the Gaza border attended separate rallies in the west Loop with a contingent of Chicago police in between making sure they remained separate. At least one person, a man draped in an Israeli flag, was taken into custody. (Photo by Scott Olson/Getty Images)