Elon Musk’s feud with President Donald Trump — and seemingly any congressional Republicans who support the president’s massive tax cuts and spending package — has reignited, with the tech billionaire threatening to launch a new political party, and Trump suggesting Musk could be punished for his opposition.

Elon Musk, the world's richest man, threatened to fund primary challenges against supporters of President Trump's sprawling tax and spendng bill 'if it is the last thing I do on this Earth.'