The White House declared Tuesday it will halt any and all cooperation with what it termed the “illegitimate” impeachment probe by House Democrats, sharpening the constitutional clash between President Donald Trump and Congress.

A North Shore land deal involving Illinois Senate President John Cullerton raises questions about a powerful public official influencing a vote that could enrich him and his son.

She was a driving force behind Illinois’ new marijuana law. Meet the state’s new cannabis regulation oversight officer.

 Facing unusually wide criticism, President Donald Trump sent out strong but conflicting signals on the “endless war” in Syria and Middle East on Monday. 

An Army veteran deported to Mexico after serving time in prison for a drug conviction became a U.S. citizen on Friday. Miguel Perez Jr. held up his citizenship certificate for the cameras after being sworn in, saying, “Here it is.”

House Democrats are marching forward with their impeachment inquiry into President Donald Trump, with more depositions coming this week.

CPS teachers set a walkout date. A local Republican congressman hedges on the Trump impeachment inquiry. What are the feds looking for in Illinois? And the Bears get ready for battle across the pond.

The Low-Income Solar Energy Act would expand an existing program and create new ones to make solar energy more affordable for low-income Americans. 

President Donald Trump said Friday the White House is preparing a letter to House Speaker Nancy Pelosi formally objecting to the Democrats’ impeachment inquiry without an official vote.

The handful of lawmakers who say they’re “troubled” or concerned by the allegations account for a small fraction of the 197 House Republicans. Still, their comments represent thin cracks in what has been a solid foundation for Trump.

President Donald Trump, ensnared in an impeachment inquiry over his request that Ukraine investigate former Vice President Joe Biden, on Thursday called on China to do the same.

U.S. Rep. Adam Schiff, chairman of the U.S. House Intelligence Committee, spent Thursday morning in Washington, D.C., as the impeachment inquiry of President Trump began in earnest. By Thursday evening, Schiff is set to be in the Chicago area.

A state watchdog’s highly anticipated report on sexual harassment is finally public. Our politics team dives into that story and more in our weekly roundtable.

Could a three-year pilot program to lower fares and expand train service on the South Side hurt the Chicago Transit Authority? A supporter of the plan weighs in.

Secretary of State Mike Pompeo acknowledged Wednesday he was on the July phone call between President Donald Trump and Ukraine’s president that's at the center of the House impeachment inquiry. 

Everything is set in motion for a Chicago teachers strike, but teachers aren’t the only ones considering a walkout. The city of Chicago could be facing multiple government employee strikes – all at once.