Americans are constantly connected and staring at digital screens—be they cellphones, tablets, computers or TVs. Many times, multiple devices are being used at once. This constant exposure is taking a toll: more than half of Americans report feeling digital eyestrain—discomfort caused from the use of digital devices. When more than one device is used 75 percent report discomfort.

Finalists are unveiled for Chicago's top cop. A closer look at election winners: the shockers, the new careers launched and the proxy war between Gov. Bruce Rauner and Mike Madigan. Plus the Adam LaRoche White Sox controversy. Joel Weisman and his guests discuss these stories and more in this week’s show.

An outbreak of canine distemper has infected a record number of racoons in Cook County, putting dogs at risk of contracting the highly contagious virus.

In 1949, a Chicago Tribune reader asked editor and publisher Colonel Robert McCormick a question: If you had only three full days in Chicago, what are the things you would see and do without fail? The Tribune’s Rita Fitzpatrick responded with a brimming list, which made us wonder: If the reader returned to Chicago today, what could she revisit?

Several athletes are voicing their support of Adam LaRoche’s abrupt decision to retire this week after White Sox executive vice president Ken Williams reportedly told LaRoche to limit his son’s time in the clubhouse.

This month marks the 85th anniversary of a Chicago socialite's death in the very house that now serves as the International Museum of Surgical Science. In honor of the event, the museum opens its "Haunted House" exhibit.

Two Chicago aldermen introduced a resolution on Wednesday that would call for the city's animal shelters to limit euthanasia practices. 

Watch the March 17, 2016 full episode of "Chicago Tonight."

From performances to seasonal treats to a spirited class in Wicker Park, your springtime agenda is in full bloom this weekend.

One of the greatest archaeological finds of the 20th century comes to Chicago: ancient soldiers from an army of Chinese terra-cotta warriors.

After a nationwide search that lasted nearly four months, three finalists for Chicago police superintendent were named. Among them are 36-year Chicago police veteran Eugene Williams and two outsiders, Cedric Alexander and Anne Kirkpatrick.

Kim Foxx easily defeated incumbent Cook County State's Attorney Anita Alvarez on Tuesday night with 58 percent of the vote. “I knew from my conversations from people throughout the county that there was discontent, that there was a real consensus of a need for change,” Foxx said.

Watch the March 16, 2016 full episode of "Chicago Tonight."

The Field Museum's extensive collection of fossils helped answer a scientific question about a bizarre, ancient creature.

The curtain is going up on one of the most highly anticipated new theater complexes in the Chicago area, and it’s ready to put on a show. And the show begins outside the building.