The senator sent Musk a letter with 30 recommendations for how his DOGE commission could slash $2 trillion in U.S. spending over the next 10 years.

Some of the biggest names in technology have clashed after President Donald Trump unveiled his $500 billion private AI investment project.

Putting aside his vexing meme-coin launch before his inauguration, the president’s new artificial intelligence initiative, Project Stargate, has made waves across financial markets. Announced Tuesday, ...