Texas Gov. Rick Perry makes his case to Illinois business that may want to relocate to his state. Are Illinois officials shaking in their boots? Paris Schutz has the latest.

We look at the charges against Dzhokhar Tsarnaev. What case can defense attorneys build for the suspect? What constitutional protections does he have? And how do terrorism cases differ from other charges? We have analysis.

Rachel Shteir joins us to discuss her recent essay in The New York Times' Sunday Book Review. Tackling Chicago’s problems with so-called “boosterism,” the piece has already attracted a firestorm of criticism.

Computer scientists are partnering with physicians to take next-generation virtual reality to the extreme. Ash-har Quraishi goes inside the CAVE2 in tonight's edition of Scientific Chicago.

Star basketball trainer Tim Grover shares insider stories on Michael Jordan, Dwyane Wade, and others. 

What do the Sacred Heart Hospital scandal, gardening tips, and a legendary CSO trumpeter all have in common?

Former Vice Presidential candidate Paul Ryan comes to Chicago to pitch immigration reform as the debate in Washington heats up. Paris Schutz has the latest. 

Author Keith Koeneman joins us to talk about his biography of Mayor Richard M. Daley.

It's the largest redevelopment of public housing in U.S. history -- and the final phase of that plan begins now.

Former Duke standout and assistant coach Chris Collins returns home to the Chicago area to revitalize the Northwestern men's basketball team. In his first head coaching job, Collins aims to turn the Wildcats into perennial Big Ten contenders and finally get them to the NCAA Tournament. He joins us.

Chicagoan Allegra Rosenberg, 17, has become a YouTube sensation, writing songs beloved by fans of Doctor Who, BBC Sherlock and other off-beat pop culture hits. Jay Shefsky has a profile.

After one of the wettest Aprils in Chicago history, Eliza Fournier from the Chicago Botanic Garden joins Chicago Tonight at 7:00 pm to offer spring gardening pointers.

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

Joel Weisman and his panel of journalists take a closer look at the $500 million plan to renovate rundown Wrigley Field.

Movies and music galore, Harlem Renaissance murals, and an Earth Day celebration; Chicago Tonight knows what's going on this weekend.