Mexico City is increasingly getting motorists out of their cars and onto bicycles. We travel south of the border to ride that city's Bike Share program as Chicago prepares to launch one of its own.

A science journalist becomes the U.S. Memory Champion. We meet the author of Moonwalking with Einstein.

From World War II bomber jets to failed car companies, Geoffrey Baer explains how an expansive area under the Ford City Mall in West Lawn

We have some of your thoughts about the Trayvon Martin killing when we read some of your Viewer Mail.

In private moment caught on mic, President Obama said he’ll have more “flexibility” to negotiate with Russia after re-election.

Joel Weisman and his panel of journalists discuss the week's top headlines.

Need some ideas for what to do this weekend? Chicago Tonight knows what’s going on!

Anti-NATO protesters will not be able to march through the Loop during the NATO summit in May, an administrative judge ruled Thursday.

The Chicago NATO host committee says the donations will be enough to fully fund the May summits.

On May 20 to 22, 2012, President Barack Obama will welcome leaders from NATO’s 28 member states to his hometown of Chicago for a high-level meeting on international security, economics, and other pressing 21^st century concerns. 

Welcome to Chicago Tonight’s online coverage of the

Even though the city is no longer hosting the more controversial G-8 conference, Chicago still expects about 7,500 protestors during the NATO summit in May. Those protests have the Chicago Police Department on alert, spending the past few months training and acquiring new riot gear.

Thousands of protesters are coming to Chicago in May for the NATO summits. The White House’s decision to move the G-8 summit to Maryland’s Camp David didn't stifle protesters; they called it a victory. Mayor Rahm Emanuel has pledged that protesters’ First Amendment rights would not be violated, but said he has rights, too.

Mayor Emanuel announces $7 billion for improvements to parks, airports, and mass transit over the next three years. But how will the cash-strapped city pay for it? The mayor goes one-on-one with Paris Schutz.

We talk with CTA president Forrest Claypool about how the transit agency will benefit from Mayor Emanuel's infrastructure announcement, and then we continue our look at Bus Rapid Transit in Mexico City and how Chicago will try its own BRT pilot program.