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.

Former Republican presidential candidate Vivek Ramaswamy will co-lead the newly created department that Trump indicated will operate outside the confines of government.

(Reuters) - Businessman Elon Musk, an ally of President-elect Donald Trump, endorsed Republican Senator Rick Scott for U.S. Senate majority leader on Sunday as the race to fill the influential post heats up after the party won control of the chamber.