Lead paint was outlawed 45 years ago. Why is it still the city’s No. 1 lead poisoning danger? Dr. Arwady on the three-year anniversary of COVID. And a city franchise agreement with ComEd is practically DOA.

The tension rises between Paul Vallas and Brandon Johnson in the race for Chicago mayor. Madigan recordings revealed in week one of the “ComEd Four” trial. Northwestern moves on in the NCAA tournament. And the Bears start their revamp.

If you’re commuting from the North Side, a new round of construction might have you changing lanes. Community development plans along the CTA. And Patty Wetli has this week in nature.

A mother’s fight for answers in the unsolved killing of her son. How a four-day workweek might, well, work. And we add some color to your winter with a trip to the Chicago Botanic Garden’s orchid show.

Mayor Lori Lightfoot’s first City Council meeting since losing her reelection bid. How the next mayor of Chicago should think about public safety. A train merger approved despite opposition. And the art of tattooing.

The ComEd bribery trial gets underway. The state’s high court hears challenges to the no-cash-bail bill that’s been put on hold. And debating NASCAR and other events closing Grant Park for most of the summer.

An update to a proposed plan to house migrants at an abandoned Chicago Kmart. What to know about the “ComEd four” federal trial beginning this week. And the fallout from the SVP Bank collapse.

Racial inequities in police traffic stops. A new all-affordable residence near Goose Island. Celebrating St. Patrick’s Day. And fossils millions of years old are rediscovered.

Barbs fly between the would-be mayors. Chicago police mourn one of their own. And the NASCAR race leaves a bad taste in summer festival plans.

Remembering fallen officer Andrés Vásquez Lasso. Dissecting the COVID-19 lab leak theory now seen as possible by some federal agencies. And Englewood residents fight for a CTA Green Line stop on Racine.

A police officer with Proud Boy ties returns to the job. The likelihood of a deadly train derailment in Illinois. Highlights from tonight’s mayoral debate. And making art from unexpected items.

State lawmakers weigh new rideshare restrictions. Local doctors on their mission to Turkey and Syria following the devastating earthquakes. And the latest on the battle between a Rockford airport and natural area.

A labor dispute at the United Center. The top environmental issues for the next Chicago mayor. A Waukegan airport’s push to expand gets pushback. And finding the most beautiful places in Chicago with Geoffrey Baer.

Brandon Johnson and Paul Vallas steam ahead toward the April mayoral runoff, as Mayor Lori Lightfoot suffers historic defeat. CPD mourns the loss of one of its own. And Blackhawks fans get used to life without Patrick Kane.

The big changes coming to city bike lanes. What’s causing the spike in expressway shootings? On the eve of Chicago’s birthday, we explore how the city got its shape. And finding artistic inspiration on the shores of Lake Michigan.

The latest on the Chicago police officer shot and killed in the line of duty. Three of the city’s newest elected officials: police district council members. And Will County residents fighting a major distribution hub.