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.

Lauren Underwood gives her victory speech Tuesday after winning the election for Illinois’ 14th Congressional District.  (Evan Garcia / Chicago Tonight)

The updated results means 14th Congressional candidate Lauren Underwood carried McHenry County over incumbent U.S. Rep. Randy Hultgren.

Lauren Underwood gives her victory speech Tuesday after winning the election for Illinois’ 14th Congressional District.  (Evan Garcia / Chicago Tonight)

In a highly watched race in the northwest and western suburbs, Lauren Underwood, a 32-year-old registered nurse, declared victory over incumbent Republican U.S. Rep. Randy Hultgren (R-Plano).

Her campaign ads focus on health care, but what are her plans for other issues? We hear from 14th Congressional District candidate Lauren Underwood.

As President Donald Trump rediscovers the value of NATO we sit down with U.S. Rep. Randy Hultgren to talk about the president’s foreign and domestic agenda.

Randy Hultgren

“My top priority has been to remove burdens so my constituents can live a higher quality of life with a solid financial footing.” Learn more about this candidate.

Reps. Mike Quigley and Randy Hultgren

Congressmen Mike Quigley and Randy Hultgren join "Chicago Tonight" for a conversation about issues facing Congress, including national security, health care and lead levels in water. They'll also give us their thoughts on the 2016 presidential race.

The newly sworn in 113th Congress is entering the session with the task of addressing the debt ceiling and spending cuts. We hear from Rep. Randy Hultgren and Rep. Mike Quigley about the fiscal cliff deal, and what's to come.