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Jay Shefsky of "Chicago Tonight" surveys the Thornton Quarry in May 2015 with engineer Kevin Fitzpatrick of the Metropolitan Water Reclamation District of Greater Chicago.

By late Tuesday night, incumbent commissioners Mariyana Spyropoulos and Barbara McGowan were ahead for the six-year term positions along with newcomer Josina Morita. 

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As expected, no incumbent congressman in the Chicago metro area appears to have been knocked off the general election ballot by primary challengers.

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Check election results and analysis of top local and statewide contests, and find out how many early ballots were cast this year in Chicago.

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Donald Trump is the winner in Illinois, gaining 24 delegates in the state's Republican presidential primary. On the Democratic side, Hillary Clinton eked out a close victory over Bernie Sanders.

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Kim Foxx, left, Anita Alvarez

Cook County State’s Attorney Anita Alvarez lost her bid for re-election to Kim Foxx in a race that was widely seen as a referendum on her handling of the police shooting of 17-year-old Laquan McDonald.

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Dorothy Brown

Incumbent Dorothy Brown declared victory on Tuesday night, winning 47 percent of the vote with 95 percent of precincts reporting.

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Illinois candidates for U.S. Senate Democrat Tammy Duckworth and Republican incumbent Mark Kirk won their respective primaries.

Democratic U.S. Rep. Tammy Duckworth and Republican Sen. Mark Kirk have each won their primaries, setting up possibly one of the most expensive and potentially contentious races for U.S. Senate in November.

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Gov. Bruce Rauner is coming up empty in his bid to influence several General Assembly primary races, despite he and allies spending millions of dollars. If tonight’s races are indicative of a wider proxy war with House Speaker Mike Madigan, Madigan appears to be the runaway winner. 

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The Greater Metropolitan Missionary Baptist Church at 59th Street and Wabash Avenue is the polling place for the 12th Precinct of the 20th Ward. It's in the Washington Park neighborhood, a largely low-income, African-American community. It's also within Democratic State Rep. Ken Dunkin's 5th Legislative District.

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The Democratic candidates running for Cook County State's Attorney joined us in their final appearance together before Tuesday's primary. The high-profile race comes as faith in the criminal justice system has been shaken not only in Chicago, but also in cities across the nation.

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In addition to casting a ballot for candidates in heated races next Tuesday, voters will be tasked with electing Cook County Circuit Court judges. To help voters navigate the dozens of candidates running, Chicago and state bar associations screen and rank each candidate. See their recommendations for the March primary.

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Democratic candidates for Cook County Circuit Court Clerk pictured in ballot order, from left: Jacob Meister. Dorothy Brown, Michelle Harris.

Dorothy Brown faces the Democrats vying to replace her in next week's Democratic primary.

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It's a simple state legislative primary, but observers view it as ground zero in the standoff between Gov. Bruce Rauner and House Speaker Michael Madigan. Paris Schutz has more on a race that has the money and mud flying. 

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Andrea Zopp, left, and Napoleon Harris.

We meet two of the Democratic candidates vying to be the nominee for U.S. Senator.

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Incumbent Bobby Rush and Alderman Howard Brookins Jr. discuss their race for the Democratic nomination in the 1st Congressional District. 

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Hear from two of the three Republican candidates running on March 15 to unseat 11th District Democratic Congressman Bill Foster.