"Democratic mayoral front-runner Bill de Blasio attends a ""rally for progressive change"" where he received endorsements from more than 25 progressive leaders and organizations on September 12, 2013 in the Brooklyn borough of New York City. Bill Thompson, who came in second in the Democratic primary, has so far refused to concede to de Blasio until it is confirmed by the election board that de Blasio got 40 percent of the vote."
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