This week on Chicago Tonight: The Week in Review: Joel Weisman and his panel analyze the state's 67 percent income tax hike. How were Democrats able to corral enough votes to pass it? Will legislative leaders have to borrow and make more cuts to bring the fiscal house back in order? Will businesses really flee for neighboring states like Wisconsin and Indiana? We'll also catch up on the mayoral race. Candidate Gery Chico unveiled his first advertisement this week, while Rahm Emanuel took a strong tack against the unions. And how about those Metra quiet cars?

And then there were six. That's the number of candidates remaining in the race for mayor of Chicago. Eddie Arruza and his panel discuss the latest in the fight for City Hall.

As we get ready for Martin Luther King, Jr. Day, we take a look at Dr. King's days in Chicago as recalled in WTTW's award-winning documentary, "DuSable to Obama: Chicago's Black Metropolis." More on the documentary

We asked if you support a state income tax increase without further spending cuts. Here are some of your responses.

It's been a historic week for the Illinois General Assembly. Springfield lawmakers managed to pass the new 67 percent state income tax hike mere hours before the legislative inauguration. Gov. Quinn has also been sent legislation that would ban the death penalty in Illinois. Carol Marin has the latest.

Critics are already predicting a massive business exodus now that the state income tax increase passed, but some say this could be just the budget savior Illinois has been waiting for.

He's a perennial candidate for mayor and governor. So why does he think he has a shot at City Hall this time? We speak with William "Dock" Walls. Walls' mayoral page

Newly inaugurated Illinois governor Pat Quinn is backing the 67 percent tax increase plan. But will it pass the general assembly? We have the latest on a very busy day in Springfield.

Hundreds of millions of gallons of water flow throughout Chicago taps every day. But is the water safe to drink? A recent environmental study has set off alarms on Capitol Hill and at the EPA. Ash-har Quraishi takes a look at "Chromium-6." Chromium-6 Study (PDF link)

Patricia Van Pelt-Watkins may not be a household name yet - but after raising hundreds of thousands of dollars, the mayoral candidate could be soon. Watkins discusses her candidacy for mayor and more.

We share some of our viewers' feedback on recently aired shows.

It's Inauguration Day at the capitol and the state is suffering its biggest budget deficit in history. Carol Marin joins us live from Springfield with the latest on how Governor Quinn's tax hike plan is being received and more.

The mayoral candidates talked city pensions today. Gery Chico, Miguel del Valle and Carol Moseley Braun all say they should not be cut back for current employees. But Rahm Emanuel says they should. Elizabeth Brackett has the latest.

This week on Chicago Tonight: The Week in Review: a judge rules mayoral candidate Rahm Emanuel can stay on the ballot, but the battle rages on in court. Meanwhile, Carol Moseley Braun flip-flops and releases her tax returns, which show she is in deep financial trouble. An income tax hike looks like it's a done deal, courtesy of the lame-duck Springfield session. President Obama names Bill Daley as his new White House Chief of Staff. A surprising new report reveals $820,000 of lavish spending on parties, booze and a bug sweep under former Chicago School Board presidents.

Today Illinois legislative leaders struck a deal for a 2.25 percent income tax increase. Will it be passed by the general assembly? We get the latest scoop from the Chicago Sun-Times Springfield Bureau Chief Dave McKinney on a busy day in Springfield.

Chicagoan Bill Daley, the former U.S. commerce secretary and brother of Mayor Daley, is taking over as White House chief of staff. We have details of this key presidential appointment.