WATCH: Sen. Tammy Duckworth addresses DNC Illinois Sen. Tammy Duckworth speaks at the 2020 Democratic National Convention on Thursday, Aug. 20.

Duckworth asks IRS why on-time taxpayers are getting late notices Sen. Tammy Duckworth is taking the IRS to task over erroneous late notices sent to Illinoisans who’ve paid their taxes. AP ...

Sen. Tammy Duckworth participates in a reenacted swearing-in with U.S. Vice President Joe Biden in the Old Senate Chamber at the U.S. Capitol, Jan. 3, 2017, in Washington.

Sen. Tammy Duckworth, D-Il., joins Morning Joe to discuss the president presiding over his military parade as massive 'No Kings' protests take place across the U.S. Sen. Duckworth also discusses ...

Sen. Tammy Duckworth (D-Ill.) questioned the Federal Aviation Administration (FAA) over recent airplane evacuations in a Tuesday letter. In her letter, Duckworth referenced three recent evacuation … ...

Duckworth asked the FAA to respond to her letter by Aug. 12. "We need answers. Are the current [plane] evacuation standards, are they adequate?" ...

U.S. Sens. Tammy Duckworth and Dick Durbin (D-Illinois) said their offices are also both dealing with delays in responses from the IRS about the issue.