Mr. Musk is fundamentally a creature of Silicon Valley, a scene that initiated an entire revolution in power dressing. The young masters of that universe dressed down to show that they were members of a new elite — one that refused to dress like the grown-ups they were about to topple. It was the defeat of the suit by the T-shirt.

Vice President Vance admitted that Elon Musk has made mistakes while carrying out mass firings of federal employees. Speaking on Friday, Vance acknowledged that while the job cuts were a key part of Trump’s plan to slash government spending,