With a $29.3 billion fortune, Ken Griffin is the wealthiest man in Illinois and using his money to influence politics.

Democratic gubernatorial candidate J-B Pritzker continued to stand by a controversial campaign ad during a visit to Champaign on Friday. The ad attacks Governor Bruce Rauner for his financial interest in a company that provides healthcare to facilities holding immigrant detainees.

On The 21st: Airbnb has collected $9.3 million in taxes on behalf of hosts in the state of Illinois. What's going on with these taxes? Plus, we talk to Chicago journalist Ellen Mayer about her podcast IlliNoise. But first, a new story from the Chicago Sun-Times shows that nearly a quarter of the money contributed to political campaigns in the state came from four men. What's going on in Illinois politics this week?

Democratic Illinois governor candidates J.B. Pritzker, Chris Kennedy and Daniel Biss traded some familiar criticisms Friday in an otherwise tame primary debate that also touched on the role of Latinos in their campaigns and possible incentives for Amazon.

On The 21st: We talk to three high school students about what students at their schools are doing to protest gun violence following the mass shooting in Parkland, Florida. Plus, we unpack the deluge of gubernatorial campaign ads with the Chicago Tribune's Rick Pearson, and hear from gubernatorial candidate Tio Hardiman.