He was hired to thwart corruption about 10 months ago. What has the city's new inspector general Joseph Ferguson been up to? We find out.

Eddie Arruza and his panel of political analysts look at the possible candidates for mayor, and discuss how race and gender may play key roles in the election.

Perhaps one of Mayor Daley's legacies will be the abundance of bikes -- and bike paths -- in Chicago. One project for which he's long advocated is finally up and running: bike sharing. We show you how it could change public transportation...at least when the weather's nice. Chicago's bike sharing program

Eddie Arruza serves as guest host for tonight's edition of Chicago Tonight: The Week in Review. Topics: Daley stuns the political world by announcing he will not seek a seventh term, and several aldermen and other public officials are hinting that they want the job. President Obama says Rahm Emanuel would make a terrific Mayor. And Mark Kirk and Alexi Giannoulias are neck and neck in the U.S. Senate race while Governor Quinn tries to close in on gubernatorial front-runner Bill Brady. And in sports, pessimism abounds as the Bears get ready to kick off the regular season.

Crain's Chicago Business's Washington bureau chief shares his insights about a possible mayoral run by White House Chief of Staff Rahm Emanuel.

Mayor Daley takes a walk on the wild side...the Wild Chicago side, that is. We look back at his 1992 encounter with Ben Hollis.

Mayor Daley announced today that he will not seek a seventh term as mayor. We bring you his entire press conference and hear what aldermen, political analysts, and journalists are saying about today's announcement. Watch Mayor Daley's entire press conference Watch our panel of Chicago Aldermen

Guest host Eddie Arruza and his panel look back on a busy week: in an unprecedented move, former and current gang members call a press conference to push back against Chicago Police Superintendent Jody Weis's secret meeting with them; Mayor Daley and Weis both defend the move while Governor Pat Quinn, U.S. Attorney Patrick Fitzgerald and various aldermen are divided over the issue; and will the fallout affect Mayor Daley's presumed re-election bid?

A federally funded joke machine? We talk with the Northwestern professor behind the controversy that's garnered national attention.

We hear what you have to say about some of our recent stories when we read our viewer mail.

Eddie Arruza and his panel discuss the controversial meeting that brought gang leaders face to face with Police Superintendent Jody Weis.

We talk to the author of a new book chronicling his time fighting corruption during George Ryan's tenure as Secretary of State. Visit the "One Hundred Percent Guilty" Facebook page

We have President Obama speaking live from the Oval Office about America's combat mission in Iraq, which formally ended today.

Did the prosecution lose the case in jury selection? We analyze some recent comments made by jurors about where prosecutors went wrong in the Blagojevich trial.

On this week's edition of Chicago Tonight: The Week In Review: a bombshell in the Blagojevich case, as prosecutors drop charges against Robert Blagojevich; in Rod Blagojevich's national media whirlwind tour, the former Governor vows to put on a bevy of witnesses during his second trial; Chicago housing sales took a major tumble in July, sparking fears of a double-dip recession; and Chicago Public Schools fail to obtain much-needed federal funding. And in sports, the White Sox bullpen struggles as the Cubs say so long to Sweet Lou Piniella. Guests:

Federal prosecutors have decided not to retry Robert Blagojevich. Elizabeth Brackett talks with the former Governor's brother and gets his reaction to the news. She also has the latest details on the retrial of Rod Blagojevich and when he could return to court.