Sean Casten takes questions at a press conference Wednesday, Nov. 7, 2018 about his win in the election. (Bev Horne / Daily Herald via AP)

Democrats did what was once unthinkable when they flipped two suburban Chicago congressional districts that had been held by Republicans pretty much since World War II.

Sean Casten, left, and U.S. Rep. Peter Roskam appear on “Chicago Tonight” on Oct. 22, 2018.

In a political upset, political neophyte Sean Casten (D-Downers Grove) has defeated six-term conservative Republican incumbent Peter Roskam (R-Wheaton) in the 6th Congressional District.

Sean Casten, left, and U.S. Rep. Peter Roskam appear on “Chicago Tonight” on Oct. 22, 2018.

In one of the most-watched Congressional races this election season, six-term incumbent, U.S. Rep. Peter Roskam (R-Wheaton), is facing political newcomer Sean Casten (D-Downers Grove).

Peter Roskam

“I’ve worked with my party when it’s appropriate and I’ve stood up to my party when necessary to represent the district and our community values,” says Peter Roskam. Learn more about this candidate.

U.S. Rep. Peter Roskam appears on “Chicago Tonight.”

Republican U.S. Rep. Peter Roskam is running for his seventh term in Illinois’ 6th Congressional District, but not without stiff competition from the left.

Illinois Republican Congressman Peter Roskam says that criticisms of the recently passed House GOP tax cut bill are “hyperbole.”

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U.S. Rep. Peter Roskam indicated he supports the measure although he is concerned about the possible impact of the Medicaid rollback. “The Medicaid question, particularly for Illinois, is very challenging,” he said.

Peter Roskam

“I have challenged private institutions to use their tax privileges to lower tuition costs for students, instead of funding sky-high administrator salaries.” Learn more about this candidate.

Congressmen Bill Foster, left, and Peter Roskam

Congressmen Foster, Roskam on Iran Nuclear Deal, Planned Parenthood Funding, More

Congress reconvenes next Tuesday after a five-week recess, and there are some weighty and urgent matters to attend to, including yet another debt ceiling fiscal cliff. Joining us to share their thoughts on these and other issues are Congressman Bill Foster (D-11th); and Congressman Peter Roskam (R-6th).

We check in with Chief Deputy Whip Peter Roskam about the ongoing government shutdown.

Rep. Peter Roskam, Image Credit: Roskam's Facebook page

Congressman Peter Roskam talks with Elizabeth Brackett about jobs, the economy, the Federal budget, and FEMA in the wake of Hurricane Irene.