President Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE's continued shake-up of top advisers and Cabinet officials is set to come under the microscope on the Sunday shows this week following the abrupt ouster of Veterans Affairs Secretary David Shulkin David Jonathon ShulkinVA inspector general says former top official steered M contract to friend Schumer demands answers in use of unproven coronavirus drug on veterans Former Trump VA secretary says staffer found plans to replace him in department copier MORE.

In the wake of Trump's Wednesday announcement that he would replace Shulkin with White House physician Ronny Jackson, the now-former VA secretary made a series of television appearances in which he reflected on his dismissal.

"Every Cabinet member serves at the pleasure of the president and it's the president's prerogative to have a team around him that he thinks is doing the job," Shulkin told Fox News on Thursday, acknowledging that Trump "wasn't happy with the pace" at the VA.

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Shulkin is set to make two more TV appearances Sunday on CNN's "State of the Union" and NBC's "Meet the Press," where he's sure to be pressed for details of his dismissal.

One detail that remains a focus of contention is whether Shulkin was fired or resigned from his post.

While the former VA secretary has maintained he was abruptly ousted, the White House asserted in a report Saturday that Shulkin stepped down.

Shulkin was at least the fourth senior Trump administration official to resign or be dismissed this month.

The series of shakeups began March 6 when Trump's chief economic adviser, Gary Cohn Gary David CohnGary Cohn: 'I haven't made up my mind' on vote for president in November Kushner says 'Alice in Wonderland' describes Trump presidency: Woodward book Former national economic council director: I agree with 50 percent of House Democrats' HEROES Act MORE, abruptly announced he would leave the administration amid a disagreement over the president's proposed tariffs on steel and aluminum imports.

The following week featured the unceremonious firing of Secretary of State Rex Tillerson Rex Wayne TillersonGary Cohn: 'I haven't made up my mind' on vote for president in November Kushner says 'Alice in Wonderland' describes Trump presidency: Woodward book Conspicuous by their absence from the Republican Convention MORE, and continued last week with Trump's decision to replace national security adviser H.R. McMaster with former United Nations Ambassador John Bolton.

After Tillerson's dismissal, Trump declared that he was moving closer "to having the Cabinet and other things that I want." The shake-ups have also fueled speculation that more departures could be on the horizon.

The Sunday morning news shows appear poised to focus on the additions and departures from the Trump administration.

Here's the full lineup:

NBC's "Meet the Press": Shulkin and Sen. Ron Johnson Ronald (Ron) Harold JohnsonThis week: Supreme Court fight over Ginsburg's seat upends Congress's agenda GOP set to release controversial Biden report Democrats fear Russia interference could spoil bid to retake Senate MORE (R-Wis.) are set to appear on the show.

"Fox News Sunday": Sen. Lindsey Graham Lindsey Olin GrahamGraham: GOP will confirm Trump's Supreme Court nominee before the election Fox's Napolitano: Supreme Court confirmation hearings will be 'World War III of political battles' Grassley, Ernst pledge to 'evaluate' Trump's Supreme Court nominee MORE (R-S.C.) will be on.

CBS's "Face the Nation": Sens. Tim Scott Timothy (Tim) Eugene ScottAuthor Ryan Girdusky: RNC worked best when highlighting 'regular people' as opposed to 'standard Republicans' Now is the time to renew our focus on students and their futures GOP lobbyists pleasantly surprised by Republican convention MORE (R-S.C.) and Bernie Sanders Bernie SandersJacobin editor: Primarying Schumer would force him to fight Trump's SCOTUS nominee Trump campaign plays up Biden's skills ahead of Cleveland debate: 'He's actually quite good' Young voters backing Biden by 2:1 margin: poll MORE (I-Vt.) will make appearances, as well Rep. Trey Gowdy Harold (Trey) Watson GowdySunday shows preview: Election integrity dominates as Nov. 3 nears Tim Scott invokes Breonna Taylor, George Floyd in Trump convention speech Sunday shows preview: Republicans gear up for national convention, USPS debate continues in Washington MORE (R-S.C.), Filippo Grandi, the U.N. High Commissioner for Refugees, will also be on.

CNN's "State of the Union": Shulkin and Sanders will both make appearances.

ABC's "This Week": Sen. Doug Jones (D-Ala.) will appear on the show. He'll be joined by Andrew Young, a former U.S. ambassador to the U.N.