Elon Musk is emerging as a new star in Democratic ads and fundraising appeals, as politicians from Virginia to Wisconsin try to seize on the tech billionaire’s role in slashing the federal government to motivate their voters and donors.

Trump instructed his Cabinet to work with the Department of Government Efficiency but clarified that Cabinet members should be the ones making staffing decisions.

U.S. President Donald Trump told his cabinet members on Thursday that they, not Elon Musk, have the final say on staffing and policy at their agencies, according to a source familiar with the matter.