When state Sen. Barack Obama decided to run for U.S. Senate, Elizabeth Brackett produced one of the first television documentaries about his life story.

Former President Barack Obama speaks Tuesday during a climate change summit in Chicago. (Chicago Tonight)

A good chunk of the U.S. will stay in the Paris climate agreement, despite President Donald Trump’s decision to withdraw from the accord. That was the message Tuesday from former President Barack Obama and several mayors from the U.S. and around the world. 

Former President Barack Obama and first lady Michelle Obama are back home in Chicago to launch the inaugural Obama Foundation Summit. 

Former President Barack Obama delivers his farewell address in Chicago on Jan. 10, 2017.

In his new book, historian and author David Garrow traces how Barack Obama’s life led him to the presidency – and paints a complicated, sometimes critical portrait of a polarizing and iconic figure.

Former President Barack Obama speaks on Monday, April 24 at the University of Chicago.

Former President Barack Obama was greeted with cheers on his home turf Monday at the University of Chicago as he convened a panel discussion with young leaders on the importance of civic engagement. 

Former President Barack Obama delivers his farewell address to the nation from Chicago’s McCormick Place on Jan. 10, 2017.

Former President Barack Obama is scheduled to speak Monday in Chicago as part of his goal to “encourage and support the next generation of leaders,” according to his press office.

(Obama Foundation / YouTube)

Hours before the inauguration of Donald Trump, President Barack Obama and first lady Michelle Obama released a video outlining their plans for the future Obama Presidential Center.

Vice President Joe Biden, Dr. Jill Biden, Malia Obama, First Lady Michelle Obama and President Barack Obama wave to the crowd at the end of the president's farewell address. (Evan Garcia / Chicago Tonight)

Thousands of spectators gathered at McCormick Place to watch President Barack Obama conclude his two-term presidency in the city where his political life began 20 years ago.

A little more than eight years ago, Barack Obama gave his presidential acceptance speech in Grant Park. Tuesday, he’ll bookend his presidency with a much anticipated farewell address at McCormick Place.

(Courtesy of NBC)

Chicago Tonight correspondent Carol Marin asks the president about his legacy, violence in Chicago and whether he would consider pardoning disgraced former Illinois Gov. Rod Blagojevich.

The last surviving member of the Kennedy administration and former chairman of WTTW received the nation’s highest civilian honor from President Barack Obama on Tuesday.

It once seemed unthinkable: President Obama and President-elect Trump met at the White House for the first time Thursday. A closer look at the meeting, and what's ahead for Democrats and Republicans.

President Barack Obama comments on the TPP during a press conference at the White House with Singapore Prime Minister Lee Hsien Loong on Aug. 2, 2016. (CNN)
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President Barack Obama reiterates his support for the Trans Pacific Partnership. But the trade deal has strong opposition. What's at the core of the agreement that could shape U.S. trade relations in the 21st century?

A final look at the stakes in Tuesday’s primary election in Illinois. Chicago Public Schools sues its former CEO and SUPES Academy for $65 million. And former Bears head coach Lovie Smith is back in Illinois to coach football. Joel Weisman and his guests discuss these stories and more in this week’s show.

The death of Supreme Court Justice Antonin Scalia has created new battle lines between the president and Senate Republicans. Is a constitutional crisis on the horizon?

President Barack Obama addressed a joint session of the Illinois General Assembly on Wednesday afternoon—nine years to the day after he announced his run for the White House on the steps of the Old State Capitol. In a return to his old stomping grounds as a state senator, the president invoked many of the same themes from his 2007 speech.