Elon Musk vows 'war' over H-1B visa program amid rift with some Trump supporters
WEST PALM BEACH, Florida, Dec 28 (Reuters) - Elon Musk, the billionaire CEO of Tesla TSLA.O and SpaceX, vowed to go to "war" to defend the H-1B visa program for foreign tech workers late on Friday amid a dispute between President-elect Donald Trump's longtime supporters and his most recently acquired backers from the tech industry.