(Bloomberg) — Elon Musk openly questioned whether companies that joined President Donald Trump’s announcement promising hundreds of billions of dollars in artificial intelligence infrastructure could follow through on their promises, exposing an early internal rift within the White House.Most Read from BloombergHow Sanctuary Cities Are Preparing for Another Showdown With TrumpTexas HOA Charged With Discrimination for Banning Section 8 RentersDonations to LA Fire Victims Rise Past $200 Million M