Chicago is seeing a rise in high-rise construction with 34 new buildings over 200 feet tall currently under construction. That number has doubled in the last 15 months. What’s causing the sky-high building boom? Curbed Chicago editor AJ LaTrace joins "Chicago Tonight" to explain.

Over the course of five decades, Vivian Maier documented city life by taking more than 100,000 photographs, many of them in Chicago. The now-famous street photographer would have celebrated her 90th birthday on Monday. We revisit our story that introduced “Chicago Tonight” viewers to her incredible images.

Can technology change how we learn? Former hedge fund analyst Sal Khan thinks so. His new approach to learning involves "hustle" and "flipping the classroom." Learn more from the founder of the free, non-profit online learning website, Khan Academy. 

Mayor Rahm Emanuel joins us to talk about the gridlock in Springfield, the financial crisis at Chicago Public Schools and police accountability. Watch the full discussion now.

After the Illinois Supreme Court ruled a pension reform plan unconstitutional, lawmakers have failed to come up with a solution to a problem that worsens with each passing day. Could some form of federal bailout or bankruptcy restructuring be the answer for Illinois? 

Gov. Bruce Rauner delivered his second State of the State address Wednesday as Illinois continues to see an unprecedented budget impasse. How will Rauner appeal to the Democratic-controlled General Assembly and how will Democratic leaders respond? Amanda Vinicky joins us to share reactions from lawmakers.  

The state's largest social service provider is cutting programs and employees because of the state's budget impasse. We discuss these cuts – and what it means for those who rely on them – with David Novak of  Lutheran Social Services of Illinois; and Dan Proft of the Illinois Policy Institute.

To say that former Defense Secretary Robert Gates has seen a lot is undoubtedly an understatement. He's served under eight presidents of both major parties (2006-2011), led the CIA and Texas A&M, and been awarded the Presidential Medal of Freedom. Now, he’s the president of the Boys Scouts of America. He joins us to talk about his new book.

The state's oldest and largest social service agency announces it will eliminate 30 programs and 40 percent of its staff. We bring you more on this and other news out of Springfield with Amanda Vinicky.

Hear what viewers had to say about the Republican proposal to take over Chicago Public Schools when we read feedback from the "Chicago Tonight" website, and our Facebook and Twitter pages.