President Trump dismissed Elon Musk’s doubts about the $500 billion “Stargate” AI project, citing personal differences.

America’s big AI infrastructure project signals how pivotal winning an ‘arms race’ in this technology is seen to be as China challenges US dominance. India must catch up.

President Donald Trump on Thursday shrugged off an ugly back-and-forth between tech CEOs Elon Musk and Sam Altman that pitted ...