Trump and Musk trade barbs as public feud over budget bill turns personal

The relationship between President Trump and Elon Musk broke down in dramatic and public fashion, with the president threatening to cancel Musk’s lucrative government contracts and Musk claiming that Mr. Trump could not have won the presidency without him, fueling a feud that erupted over Musk’s opposition to Republicans’ tax and budget bill. Nancy Cordes has details.