President-elect Donald Trump and Elon Musk have big ambitions for making the federal government leaner and more efficient by reviewing its budget and operations from top to bottom.

The president-elect is adding nominees to his cabinet as he prepares for another stint in the White House. Here’s what you need to know.

Elon Musk, while hitting back at a US senator, expressed that he and Vivek Ramaswamy are not getting paid to head Donald ...