A viral video of President Trump assisting Elon Musk's son X onto Marine One has drawn both affection and criticism.

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.

U.S. District judge James Boasberg halted Trump's use of the centuries-old wartime power and ordered five men to be returned to the U.S.