There are already signs that Elon Musk’s marriage of convenience to President Donald Trump could be a fraught union. Musk turned more than a few heads by taking the lead on defeating a government spending bill last month — Trump doesn’t like being overshadowed — and undercutting a just-announced White House AI project last week.

Elon Musk had sharp words for a private-sector partnership touted this week by the Trump administration to hasten the development of artificial intelligence infrastructure. “They don’t actually have the money,

Elon Musk, often referred to as "the first buddy" of President Donald Trump, received a snub from the chief of staff of the new president. He did not get an office in the White House. Susie Wiles, Trump’s campaign chief of staff,