Unions representing city employees announce a coalition to protect pensions called We Are One Chicago. We discuss the details with Chicago Teachers Union President Karen Lewis and AFSCME's Anders Lindall.

The world’s largest scientific society, American Association for the Advancement of Science, held its annual conference in Chicago this past weekend. Rabiah Mayas, Director of Science and Integrated Strategies at the Museum of Science and Industry, joins us to talk about some of the breaking news in science discussed at the conference.

A new book details the life of one of the most enduring artists in popular music: Mavis Staples. We revisit a conversation with author and Chicago Tribune music critic Greg Kot about his biography, I’ll Take You There: Mavis Staples, The Staple Singers, and the March Up Freedom’s Highway. Read an excerpt.

We revisit a story about the newly reopened Block Museum on the campus of Northwestern University, including a show of photographs by master photographer Edward Steichen and Polaroids by Andy Warhol. Watch a web extra video.

We share what some of you had to say about a potential faculty strike at the University of Illinois at Chicago when we read some of your viewer feedback.

Eddie Arruza and his panel of journalists discuss the week's top headlines.

Eddie Arruza and his panel of journalists discuss whether State Treasurer Dan Rutherford is being treated fairly by the media in the wake of the sexual harassment lawsuit filed against him. Watch the web extra video.

In one of the biggest acquisitions in American history, Comcast has agreed to buy Time Warner Cable for $45 billion in stock. The deal would give Comcast approximately a third of the national cable market. So what would it mean for customers when the United States' number one cable operator buys the number two company? And will both the Federal Communications Commission and the Justice Department approve the massive deal?

The University of Illinois at Chicago’s faculty union says it is set to strike February 18-19 if a bargain cannot be reached between union negotiators and school administration. We talk with union president Joe Persky and Chicago Tribune reporter Jodi S. Cohen about the matter, and what can be expected in the coming weeks. Read an interview.

Remember the mess at the Cook County Morgue? Board President Toni Preckwinkle says it's been completely turned around. How'd they do it? Paris Schutz has the details.

As President Barack Obama gears up to select the location for his Presidential Library, the bids to host the prestigious institution are flooding in. With Chicago being the president's adopted home town, does it have the inside track? View a map of all 15 presidential library locations.   

We go behind-the-scenes at the Joffrey Ballet to find out what it takes to prepare a world premiere dance.

We go to the WTTW vault to revisit John Callaway's 1982 interview with comedy legend and TV pioneer Sid Caesar, who died yesterday at 91. Watch the entire 60-minute conversation with John Callaway, as well as a 1986 appearance by Caesar on Chicago Tonight.

We share what some of you had to say about proposed regulations for ride-sharing services in Chicago when we read some of your viewer feedback.

Carol Marin and her guests gauge the climate of the Illinois governor race and the support for Republican primary candidates.