After helping President Trump get elected, Elon Musk was poised to dominate the country’s A.I. policies. Then Mr. Altman sneaked into the White House.

The visa is highly coveted by Latin Americans looking to move to Miami for work. During his first administration, Trump sought to tighten requirements for companies that hire workers using H-1B visas. However, the president now appears to support the program, even as he maintains a strict policy of mass deportations of undocumented immigrants.