Elon Musk’s Power in Trump’s Government Is Challenged in Court

Elon Musk is facing the most direct legal challenge to date over the role he’s assumed in the US government, with Democratic state officials and federal employees claiming that President Donald Trump has unconstitutionally delegated vast powers to the billionaire.

A pair of lawsuits filed on Thursday in federal courts in Washington and Maryland accuse the Tesla Inc. and SpaceX chief executive of exercising authority to reshape and, in some instances, dismantle federal agencies that the US Constitution reserves for high-level officials confirmed by the Senate.

The challengers are asking judges to effectively undo what they say are the most ...