Russell Vought, President Donald Trump's nominee to lead the Office of Management and Budget, promised to help American taxpayers while undergoing a contentious confirmation hearing on Wednesday.

Russell Vought, President Trump’s nominee to serve as director of the Office of Management and Budget (OMB), testified Wednesday before the Senate Budget Committee for his confirmation

If confirmed, Mr. Vought will be at the center of President-elect Donald Trump’s plans to upend the federal bureaucracy.

President-elect Donald Trump’s nominee for White House budget director is declining to commit to doling out congressionally approved funds, specifically U.S. military aid to Ukraine.

President Donald Trump’s pick for budget director faced another series of questions over presidential power to withhold government funding.

Russell Vought, President-elect Donald Trump’s ... an event that led to Trump’s first impeachment.“I will always commit to upholding the law," said Vought, an answer that did not satisfy ...

This is the practice of presidents refusing to spend funds that Congress has appropriated, shifting power to the White House. To take a current example, Mr Trump has issued an executive order putting an “immediate pause” on billions of dollars appropriated under the Inflation Reduction Act of 2021 and a climate law from 2022.

Office of Management and Budget Acting Director Russell Vought arrives to testify during a hearing of the House Budget Committee about President Trump's budget for Fiscal Year 2021, on Capitol Hill, Wednesday, Feb. 12, 2020, in Washington. (AP Photo/Alex Brandon)

Allies of President Donald Trump have been quick to threaten primary challengers for Republican senators who don’t back Trump's Cabinet picks and legislative priorities.

U.S. Senate Democrats blasted Russ Vought, President Donald Trump’s nominee to again lead the U.S. Office of Management and Budget, over his involvement in Project 2025 and called on their colleagues to reject his nomination.

A slate of President Trump’s Cabinet nominees have appeared before senators in recent days for key hearings on their road to confirmation. Sen. Marco Rubio (R-Fla.) was the first to be confirmed, securing the secretary of State position with a unanimous vote on inauguration day.