Two associates of President Trump's personal attorney, Rudy Giuliani, pleaded not guilty to campaign finance violations. But questions remain about whether Giuliani is in legal jeopardy himself.

As the Ukraine saga continues, oligarch Dmitry Firtash's name keeps popping up in unexpected places. We examine his connections to the wide cast of characters in President Trump's orbit.

NPR's Audie Cornish wraps up a fast-moving week of developments and testimony in the impeachment inquiry into President Trump and looks ahead to what's next.

Turkey says it is suspending its incursion in Syria. We look at the reality on the ground. Also, the latest on the impeachment inquiry and violence in Mexico connected to the son of "El Chapo."

It's been a busy week in the House impeachment inquiry as four current or former officials have trekked to Capitol Hill for interviews behind closed doors.

A look at the developments in the House impeachment inquiry after associates of President Trump's personal lawyer were indicted and a former U.S. ambassador says Trump forced her out.

Two men linked to Rudy Giuliani were arrested Wednesday on campaign finance charges. House Democrats had requested depositions from them.

The two men with links to President Trump's personal lawyer were part of efforts to have Ukraine investigate former Vice President Joe Biden. The indictment deals with a separate matter.

A whistleblower's existence can be a perilous one, particularly when the subject of your complaint has told his 65 million Twitter followers that you should be publicly exposed.

A second whistleblower has come forward in the Ukraine affair. The anonymous individual is said to have first-hand knowledge of President Trump's dealings with Ukraine.

Attorney General Bill Barr first came to the Justice Department promising to remain above politics but has found himself drawn into the center of the Ukraine scandal.

Majority Democrats in the House subpoenaed President Trump's personal attorney Rudy Giuliani on Monday for documents related to his communications with Ukraine.

President Trump's lawyer has been ordered to give evidence to the House Permanent Select Committee on Intelligence as its probe accelerates in the Ukraine affair.

The whistleblower complaint alleges President Trump abused the power of his office to try to get Ukraine's help in the 2020 campaign, and that the White House tried to cover it up.

The newly released whistleblower complaint alleges that White House officials tried to hide records of President Trump's phone call with his Ukrainian counterpart.

The Trump administration releases a memo of a call between President Trump and Ukraine's leader. A big question: did Trump pressure the Ukrainian president to investigate a political opponent?

The Justice Department releases information relating to a controversial presidential conversation with a foreign leader: a record of notes and recollections, not a verbatim transcription of the call.

President Trump asked his Ukrainian counterpart to see what he could find out about former Vice President Joe Biden and his family and to be in touch with Trump's lawyer and the attorney general.

President Trump's personal attorney, Rudy Giuliani, met with an adviser to the Ukrainian president to urge Kiev to investigate Hunter Biden. Is this sort of pressure proper, improper or illegal?

What was so concerning that a U.S. intelligence official filed a whistleblower complaint? That's the question in Washington. When asked about it, President Trump tried to put the focus on Joe Biden.