Early voting has begun for the Chicago mayoral and aldermanic races. The Board of Elections opened up 51 locations today.

• Rauner Signs Executive Order Aimed at Unions

Chicago blues legend Buddy Guy was honored with a lifetime achievement award at the 57th annual Grammy Awards Sunday. Watch a 2006 interview and performance with Buddy Guy on Chicago Tonight.

Gov. Bruce Rauner steps up the attack on public employee unions with an executive order allowing members to opt out and not pay union dues if they so choose.

A new book takes a comprehensive look at the patronage, cronyism and criminality in Illinois politics -- from stolen elections and crooked courts to corrupt congressmen, governors and aldermen.

Three new cases of measles have been confirmed in Cook County, health officials announced Monday. That brings the statewide total to nine infected people. Seven of the cases, including six small children, have been linked to a Palatine day care center.

Our panel discusses Brian Williams and the fog of war. Can the NBC Nightly News anchor survive revelations that he "misremembered" being on a helicopter hit by a rocket-propelled grenade in Iraq?

The Eastland Disaster of 1915 marks the capsizing of the SS Eastland on the Chicago River that claimed at least 844 lives. It is considered one of the greatest loss-of-life tragedies in Chicago history.

Joel Weisman and his panel of journalists discuss this week’s headlines.

Joel Weisman and his panel of journalists delve into the Chicago tradition of placing "dibs" on shoveled parking spots.

Snow Days Chicago, Sondheim on Sondheim, and Richard Hunt; Chicago Tonight knows what’s going on this weekend.

As Gov. Bruce Rauner lays out his policy priorities in his first State of the State address, Illinois lawmakers analyze what he had to say -- and what we can expect from his budget address later this month.

Mick Ebeling went from being a film and TV producer to founding an organization that solves challenging problems around the world. His hands-on approach to "hacking" processes has helped him make extraordinary changes to people's lives.

How do you teach your children to be smart about money? New York Times personal finance columnist Ron Lieber seeks to answer that question in his new book, The Opposite of Spoiled. He joins us to discuss how to instill values and the value of the dollar in a younger generation.