Marc Short said on Sunday President Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE's tweets are an "effective" way for the president to communicate with American people, pushing back on comments from Attorney General William Barr Bill BarrBarr says Ginsburg 'leaves a towering legacy' Republicans call for DOJ to prosecute Netflix executives for releasing 'Cuties' Trump doesn't offer vote of confidence for FBI director MORE, who said Trump's tweets about the Justice Department make it "impossible" for him to do his job.

"The president has been able to communicate directly with American people through social media," Short, chief of staff to Vice President Mike Pence Michael (Mike) Richard PenceEx-Pence aide: Trump spent 45 minutes of task force meeting 'going off on Tucker Carlson' instead of talking coronavirus Trump asked Chamber of Commerce to reconsider Democratic endorsements: report Controversial CDC guidelines were written by HHS officials, not scientists: report MORE and former White House legislative affairs director, said on CNN's "State on the Union," adding that the American people "love" him for it.

"I think it is a very effective way for him to communicate with American people," Short added.

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Barr's comments, in an ABC News interview last week, followed Trump's tweet calling a sentencing recommendation for Roger Stone Roger Jason StoneOur Constitution is under attack by Attorney General William Barr Justice IG investigating Stone sentencing: report Romney says Trump's protest tweets 'clearly intended to further inflame racial tensions' MORE a "horrible and very unfair situation."

Top Department of Justice officials later sought to reduce the Stone sentencing, leading to the four prosecutors who recommended the original seven to nine years in prison resigning.

Short on Sunday defended the sentencing reduction, repeating allegations of "bias inside Department of Justice" and saying Barr is "trying to correct" it.

He also said that Barr has "acted independently."

Trump has faced widespread criticism from Democrats from weighing in on the sentencing.

Speaker Nancy Pelosi Nancy PelosiPelosi: Ginsburg successor must uphold commitment to 'equality, opportunity and justice for all' Bipartisan praise pours in after Ginsburg's death Pelosi orders Capitol flags at half-staff to honor Ginsburg MORE (D-Calif.) called it an abuse of power, and she and other Democrats have called on Barr to resign.

Barr will appear before the House Judiciary Committee to answer questions on the situation in March.