Washington Post columnist E.J. Dionne Jr. talks about the growing political polarization in the U.S. and his new book, Our Divided Political Heart.

How can a water park change lives? We take a look at a new community center on the far south side that hopes to do just that.

A nightclub setting will host members of the Chicago Symphony Orchestra. We speak with the composer and DJ who is bringing the two worlds together.

We take another look at how lesbian and gay sailors are making waves -- and history -- at the Naval Station Great Lakes in North Chicago, as well as at the White House.

We asked if you would support a teachers' strike. We read what some of you had to say in Viewer Mail.

In an exclusive interview with Chicago Tonight, Nobel Prize winning economist Paul Krugman weighs in on Chicago's new infrastruc

The mayor's new infrastructure trust board was named this week. We talk with the only elected official in the group about protecting the public interest.

A Chicago Public Schools program that gets students into better colleges and helps them stay there is expanding. Elizabeth Brackett has the story.

U of I students tell us how a recent reporting trip to Turkey challenged their views of the world.

A new book has the scoop on why Groupon leaders turned down $6 billion from Google. We speak with the author.

JPMorgan Chase CEO Jamie Dimon gets a light grilling by the Senate after one of the bank's so-called hedging strategies loses $3 billion.

Three men accused of a NATO-related terrorism plot were in court on Tuesday. We tell you why even the presiding judge was bewildered by what transpired.

The Federal Reserve says American wealth fell nearly 40 percent between 2007 and 2010.

We learn how to reduce landfill waste through the everyday art of composting.

It's a boy! A baby dolphin joins the Shedd Aquarium.