Trump and Musk reignite feud over tax bill, stocks end first half at records, Moderna flu vaccine achieves promising results, ...

Musk and Trump traded scathing missives on social media in early June. Trump has previously threatened to end government ...

The president has courted AI luminaries, most notably Sam Altman, Larry Ellison, Elon Musk and Mark Zuckerberg. His “big, ...