Trump has said he would appoint Musk to be the government’s “chief efficiency officer.” “Everyone’s going to have to take a haircut.… We can’t be a wastrel.… We need to live honestly,” Musk said on Friday. CNBC points out that Musk’s SpaceX aerospace venture has received $19 billion from the U.S. government since 2008. Musk said he plans to cut $2 trillion from the government. Economists point out that current discretionary spending in the budget is $1.7 trillion, meaning his promise would eliminate all discretionary spending, which includes transportation, education, housing, and environmental