Clashes with the cabinet, suspicions from the Maga movement, fear from the Republican Party, and the defeat in the judicial elections in Wisconsin show that he has gone from being a unique asset to a growing problem for the administration.

President Donald Trump gave billionaire adviser Elon Musk a fresh endorsement on Thursday amid criticism of Musk's government reduction project and said he can stay "as long as he likes" but will eventually return to his businesses.