President Trump suggested in a new post that tech billionaire Elon Musk, one of his closest allies, needs to be “more aggressive” — presumably referring to his efforts to slash spending,

Elon Musk is keen on auditing the Federal Reserve, the independent agency that makes critical decisions on interest rates that reverberate throughout the US economy. Musk, the world’s richest man who is also overseeing a mass restructuring of the federal government,