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.

It’s not the first time a president has empowered a business tycoon to look for ways to dramatically cut federal regulations.

Donald Trump says Kennedy will help protect Americans from "harmful chemicals" and "make America healthy again".