A new candidate joins the mayoral race. Families hope an Abbott production plant can help end the baby formula shortage. The latest on a temporary casino in River North. And early affordable housing.

• ‘Chicago Tonight’ in Your Neighborhood: River North
• State Rep. Kam Buckner Launches Bid for Chicago Mayor, Offering a Progressive Challenge to Lightfoot
• EXPLAINER: What’s Behind the Baby Formula Shortage?
• Push to Preserve Workers Cottages, Early Affordable Housing
• Rosa Escareño Tapped as Permanent Head of Chicago Park District Amid Scandal Aftermath
• Tour 3 Generations of Hetherington Homes on the South Side
• Red Moon Rising: Total Lunar Eclipse Coming to Chicago May 15