The Cook County sweetened beverage tax has had a challenging rollout, but Toni Preckwinkle doesn’t appear to be backing down. And she’s found a deep-pocketed supporter of the tax who’s helping with a media campaign.

The former U.S. attorney, who was asked to resign by the Trump administration in March, joins us in discussion.

He helped to define rock ‘n’ roll in the 1960s—and his life was a forged as a child in Nazi Germany. We explore an exhibition about Bill Graham at the Illinois Holocaust Museum.

U.S. Rep. Dan Lipinski joins us to discuss ongoing health care negotiations.

Watch the Aug. 21, 2017 full episode of "Chicago Tonight."

The comedian and civil rights activist died on Saturday. He was 84. 

Chicagoans from all neighborhoods and walks of life came out of the shadows to fix their appropriately covered eyes on the skies.

The last time a total solar eclipse spanned the continental United States from coast to coast was 99 years ago. Thousands joined in the Adler Planetarium’s celestial celebration to mark the occasion.

“Until the government starts to call it what it is – and that’s terrorism – I’m not sure the point will fully come across as to how dangerous of a problem this is,” said Christian Picciolini, a former neo-Nazi, of far-right extremism.

Onlookers were treated to a clear view of the solar eclipse in Carbondale. “It was a festival sort of atmosphere,” Amanda Vinicky said. “You literally had a beer tent, carnival rides, and band, a whole lot of very excited people wearing garb for the solar eclipse.”

Adler Planetarium astrophysicist Lucianne Walkowicz joins us from the eclipse epicenter in Carbondale. 

Over the course of civilization, eclipses have been met with fear and superstition. How humans have reacted to—and explained—eclipses throughout history.

Watch the Aug. 17, 2017 full episode of "Chicago Tonight."