Simmering anger at the billionaire’s unchecked power spilled out in a remarkable Cabinet Room meeting. The president quickly moved to rein in Mr. Musk.

The administration of the United States President, Donald Trump, on Wednesday ordered federal agencies to undertake more large-scale layoffs of workers. This is as Trump’s adviser, Elon Musk, takes a star role at his first cabinet meeting and discusses his ambitious budget-cutting targets.

At the White House Wednesday morning, President Trump convened the very first Cabinet meeting of his second administration. In an hour-plus question and answer with reporters, Trump did most of the talking.