In his newest WTTW special, Geoffrey Baer takes a real time machine to places all over Chicago and looks through it to see things that are now long gone. Geoffrey joins us Tuesday just minutes before the debut of the program to give us a sneak peek. Watch a video preview.

Mariano's Fresh Market is paying $36 million in cash to Safeway Inc. to take over 11 local Dominick's grocery stores. View a map of the locations.

Illinois lawmakers return to Springfield this week to vote on pension reform. Carol Marin and her guests discuss the deal, and what it would mean for employees. Read the full Conference Committee Report on Senate Bill 1 and details of the proposal.

James "Big Cat" Williams breaks down the Bears' overtime loss to the Vikings, and coach Marc Trestman’s controversial call to attempt a field goal on second down. Watch a web extra video.

Legislative leaders officially released their pension plan today. It includes reduced cost of living raises, including years where retirees won’t get any raise, and aims for full funding of the systems by 2044. Read the full proposal.

Before he knew the contents of the final pension deal reached this afternoon, University of Illinois President Robert Easter warned his faculty in a memo that upcoming pension reform could be “onerous for public employees.”

Two Shedd Aquarium Great Lakes researchers found a huge school of fish underneath Chicago's harbors last week. The fish are gizzard shad, a type of herring and major schooling or forage fish, often seen in large groups. Read an article and watch a video.

The four legislative leaders in the Illinois General Assembly say they have struck a long-awaited deal to reform the state’s woefully underfunded public pension system. Read an article.

A Thanksgiving Day Parade, a holiday market, and ice skating at the zoo; Chicago Tonight knows what’s going on this weekend.

Have Illinois leaders, at long last, come to a pension deal? Will it pass? Paris Schutz has the story.

As Illinois prepares to become the last state to pass a concealed carry gun law, we discuss how both law enforcement and businesses are expecting to be affected. Read an article.

The risk calculator included in the recently released guidelines for lowering cholesterol have been questioned by a number of leaders in the field of cardiology. We speak with two specialists on different sides of the controversy. Read an interview.

What is a robotic razor fish teaching scientists about building better robots? Why are Argonne scientists going down to the South Pole? And how can a tiny laser boost high-speed data transmission? Our science guy, Neil Shubin, has those stories and more research news in this edition of Scientific Chicago. Read an article.

Deerfield-based Walgreens opens its first totally green “Net-Zero Energy” store in Evanston. We take a tour and go behind the scenes to see what makes this an ultra environmentally friendly store, producing all of its own energy with solar panels and wind turbines. Watch web extra videos and view a slideshow.

Pulitzer Prize-winning historian Doris Kearns Goodwin joins us to talk about her latest epic biography on the presidencies of Teddy Roosevelt and William Howard Taft that brought radical change to America. Read a book excerpt.