Chief White House correspondent for The New York Times, Peter Baker, joins us to check in on fixes to HealthCare.gov and the potential political fallout from the glitches in the 2014 midterms.

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.

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.

Today is the first day to file petitions to run in Illinois' 2014 elections. Carol Marin and her guests check in on the governor's race and the other primaries.

Author James Swanson discusses his new book - End of Days: The Assassination of John F. Kennedy - chronicling the fateful day 50 years ago in Dallas, Texas. Read an excerpt.

More than 2 million Illinois residents had their food stamp benefits cut this month. We talk with some DuPage County residents struggling to put food on the table.

The Bears fall to 6-5 after an ugly, penalty-plagued loss in St. Louis. James "Big Cat" Williams breaks down the shoddy run defense and Josh McCown’s third start this season. Watch a web extra video.