Musk called the federal bureaucracy an "unelected, fourth, unconstitutional branch of government" that must be held accountable.Start the day smarter. Get all the news you need in your inbox each morning.

As camera crews and reporters crowded into the Oval Office on Tuesday, trying to focus on President Donald Trump and Elon Musk's first public comments on slashing the government, the dramatic scene at times got stolen -- by Musk's son, "Lil X."