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Parents and teachers will get their first glimpse at test results from the controversial PARCC standardized test students took last spring, but the jury is still out on whether those results are useful. Brandis Friedman has the story.

It's day 31 of the Dyett High School hunger strike and there's still no sign of a deal that could end the standoff. Two activists participating in the strike explain what triggered their actions and why the arts-themed school that CPS has in mind for their neighborhood falls short of their demands.

Crain's Chicago Business deputy managing editor Ann Dwyer takes a closer look at the top business stories of the week, including Motorola Solutions' announcement that it will move from the suburbs to downtown, and news of a developer eyeing the Old Chicago Main Post Office.

The rediscovery of a Civil War soldier's journals and his ties to Chicago: A look at a fascinating new exhibition at the Pritzker Military Museum. Eddie Arruza has the story.

The seeds of Illinois’ medical marijuana industry are expected to bloom this fall as more pot dispensaries could get the final green light to open. But some industry observers say there are a couple of major buzzkills facing the state’s program. Tonight we’ll talk about those challenges with the chairman of the trade group Medical Cannabis Alliance of Illinois and a partner at a law firm representing two dispensaries. 

A plan to exempt low- and middle-income homeowners from the coming city-wide property tax hike runs into some resistance. Just who would benefit and who might bear more of the tax burden under the plan? Paris Schutz has the story.

The Federal Reserve’s two-day September meeting begins on Wednesday. During that meeting, officials will decide whether or not to increase interest rates for the first time in years. We discuss the possibility of a quarter of a percentage interest rate hike with experts.  

Chicago lost out on the Olympics to Rio but this week, world titles will be at stake as 6,500 pro- and age-group triathletes compete in the ITU World Triathlon Grand Final and World Championships. Chicago Tonight's Elizabeth Brackett will be one of them – she tells us what to expect.

Eleven GOP presidential hopefuls will meet for a second prime-time cable news debate Wednesday. Donald Trump still leads the polling but retired neurosurgeon Ben Carson’s numbers have surged as has the profile of former Hewlett Packard CEO Carly Fiorina. We discuss what to expect from tomorrow night’s debate.

Celebrated actor, singer and dancer Rita Moreno is in Chicago to honor Sandra Cisneros, author of The House on Mango Street, at an awards ceremony on Wednesday night. Tuesday, the Emmy, Grammy, Oscar and Tony Award-winning artist joins Chicago Tonight to share stories from her incredible life and career.