Chicago Police Superintendent Eddie Johnson orders firings in the Laquan McDonald shooting cover-up. Donald Trump is trouble for Illinois Republicans. CPS pitches a billion-dollar bond sale, and the Cubs cruise towards the playoffs.

Hillary Clinton may be riding high in the polls but tensions between her and the progressive left of her party remain. What do Democrats need to do to maintain party unity?

Police Superintendent Eddie Johnson moves to fire seven police officers who, according to a report, were complicit in covering up the police shooting of Laquan McDonald.

Some conservatives are questioning whether the latest campaign moves will help Donald Trump broaden his base of support.

New health insurance rules surrounding prescription drugs could make treatment for some patients more simple. Find out what step therapy is and what the changes could mean.

Did the Chicago Police Department knowingly cover up the shooting of Laquan McDonald, and if so, how many officers, lieutenants and detectives will be fired?

The death toll after another weekend includes the son of a Chicago police officer. Dean Angelo joins us to discuss combating violence and ongoing efforts at police reform.

A high-profile Republican state lawmaker and top ally of Gov. Bruce Rauner speaks out on why he abruptly decided to resign.

Hear what viewers had to say about Donald Trump's comments on “second amendment people” when we read feedback from the "Chicago Tonight" website, and our Facebook and Twitter pages.

Starting Wednesday, a new section of Elston Avenue will open as work on the Damen, Elston and Fullerton reconstruction project continues. Find out what that means for drivers.

Democratic U.S. Rep. Tammy Duckworth, who is challenging U.S. Sen. Mark Kirk in the November election, will participate in the WTTW “Chicago Tonight” forum scheduled for Oct. 26.

Former Gov. Rod Blagojevich will serve out his full sentence. Chicago Public Schools wants to end teacher pension pickups, and the Chicago Cubs continue to win. These stories and more with Joel Weisman and guests.

The nuclear codes come up during almost every presidential election. We talk with the woman overseeing the Doomsday Clock about the president's authority over the nation's nuclear arsenal. 

Is Donald Trump inciting violence with his latest controversial quip? A closer look at whether his words constitute free speech. 

Three street gangs have allegedly vowed to target cops in the wake of the fatal police shooting of Paul O'Neal. We talk with the member of Congress who represents the area where O'Neal was shot.

Rod Blagojevich must serve his full prison sentence. A stunning ruling at the ex-governor's resentencing Tuesday. Find out what Blagojevich said in his own defense.