Chicago Mayor Rahm Emanuel celebrates a victorious election night at Plumbers Local 130 Union Hall, Tuesday, April 7, 2015, in Chicago. Emanuel won re-election Tuesday as voters in Chicago's first mayoral runoff decided that, despite his brusque management style, the former White House chief of staff was best equipped to deal with the dire financial challenges facing the nation's third-largest city. (AP Photo/Nam Y. Huh)
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