Musk, the owner of car manufacturer Tesla and social media platform X, has been tapped by Trump to lead the proposed Department of Government Efficiency (DOGE), with biotech entrepreneur and former Republican presidential candidate Vivek Ramaswamy, after vocally supporting and financially backing his campaign for president.

After Musk helped tank a bipartisan bill to fund the government, Trump told conservative activists that he hadn't "ceded the presidency" to the tech billionaire.

After Congress averted a government shutdown with a last-minute deal, it’s become a serious question: who runs the GOP, Donald Trump or Elon Musk? While Trump is about to be sworn in for his second term,