Chicago

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Chicago Blackhawks' Niklas Hjalmarsson (4) and St Louis Blues' Brenden Morrow, center right, get separated during the first period of an NHL hockey game in Chicago on Sunday, April 6, 2014. (AP Photo/Charles Cherney)

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FILE - In this file photo taken March 2, 2010 in Washington, Otis McDonald, one of four plaintiffs in the Chicago handgun ban takes part in a news conference in front of the Supreme Court. McDonald, who was the lead plaintiff in the lawsuit that led the U.S. Supreme Court to overturn the Chicago's handgun ban has died. McDonald's death on Friday, April 4, 2014, was confirmed Sunday by his nephew and family spokesman, Fred Jones. McDonald was one of four plaintiffs who challenged the city's decades-old handgun ban and who won a 5-4 decision in 2010. He argued that he was trying to protect himself and his family from the violence outside his front door in a deteriorating neighborhood on Chicago's South Side. (AP Photo/Haraz N. Ghanbari)

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In this June 20, 2013 photo, Otis McDonald, 79, looks out the window of his home on Chicago's South Side. McDonald, who was the lead plaintiff in the lawsuit that led the U.S. Supreme Court to overturn the Chicago's handgun ban has died. McDonald's death on Friday, April 4, 2014, was confirmed Sunday by his nephew and family spokesman, Fred Jones. McDonald was one of four plaintiffs who challenged the city's decades-old handgun ban and who won a 5-4 decision in 2010. He argued that he was trying to protect himself and his family from the violence outside his front door in a deteriorating neighborhood on Chicago's South Side. (AP Photo/Scott Eisen)