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,

One Trump ally told Politico that “It’s clear he has abused the proximity to the president” in his attack on Altman—which pretty quickly devolved from “they don’t have the money” to presenting Altman as a spineless flip-flopper who trashed Trump during his first term but is sucking up to him now.

Musk isn’t introducing a novel idea. For years, people have advocated eliminating the penny, as pennies are rarely spent as change. And since the Covid-19 pandemic, more consumers are shopping online or avoiding physical currency altogether .

A penny-pinching tactic proposed by Elon Musk's Department of Government Efficiency could be getting rid of the penny itself.

The world’s richest man has some unusual thoughts about life, death and your government.We profiled him through his own words.