A key witness in the impeachment inquiry publicly testified Friday she felt threatened by comments from President Trump. CBS News intelligence and national security reporter Olivia Gazis, Associated Press White House reporter Jill Colvin, CBSN legal contributor Rikki Klieman and Wall Street Journal congressional reporter Siobhan Hughes join a special edition of "Red and Blue."

President Trump added new tension to the public impeachment hearings, which the White House dismissed as "useless and inconsequential." Former U.S. Ambassador to Ukraine Marie Yovanovitch testified Friday about a smear campaign orchestrated by the president's associates that led to her removal. But moments after her testimony began, the president weighed in, attacking her in real time. Ben Tracy reports.

New York Magazine correspondent Gabriel Debenedetti joined “CBS This Morning Saturday” to discuss former U.S. Ambassador to Ukraine Marie Yovanovitch’s testimony in the Trump impeachment inquiry and the call between President Donald Trump and Gordon Sondland, the U.S. ambassador to the European Union.

Longtime White House budget employee Mark Sandy is appearing in a closed hearing on Saturday before the House committees conducting the impeachment inquiry, making him the first official from the Office of Management and Budget (OMB) to testify in the inquiry. Sandy defied President Trump orders not to appear before house investigators. Sandy was asked about the administration withholding 400 million dollars in military aid to Ukraine. Ben Tracy reports.

This week on "Face the Nation" with Margaret Brennan, the impeachment probe moves into the public phase bringing along gripping witness testimony from top State Department officials.

Pelosi says despite a contentious impeachment probe of the president, Democrats will surge in the 2020 election cycle

Ohio Republican Representative Jim Jordan says there was "never this quid pro quo" that Democrats continue to push as grounds for the impeachment inquiry.

Representative Mike Quigley, a Democrat on the House Intelligence Committee, provides an update on where things stand on the impeachment probe against President Trump.

Our panel breaks down the latest in Washington, including the 2020 presidential race and the second week of the public impeachment probe into President Trump.

Missed the second half of the show? The latest on the 2020 presidential race and the second week of the public impeachment probe into President Trump.