A live report from Iowa as the caucuses kick off. The latest on impeachment. The risk of coronavirus in Chicago. Officials prepare for the census. And a display of North Korean stamps at the U of C.

• Iowans Head to Caucuses, May Clarify Democratic Field
• Trump Trial Closing Arguments Aim at Voters, History
• For the First Time, You Can Fill Out Your Census Form Online
• Crain’s Headlines: Tribune Publishing Names New CEO
• Experts Prepare, But New China Virus Not a Pandemic Yet
• UChicago Stamp Collection Sheds Light on Everyday Life in North Korea
• Social Life Without the Buzz? It’s the ‘Sober Curious’ Movement
• For Elsa Harris, Playing Music About Preaching the Gospel, Healing