After Trump pulled NASA nomination, Musk ally Jared Isaacman says stint in politics was 'thrilling'

  • Shift4 founder Jared Isaacman, who had been President Donald Trump's pick to run NASA, told investors in a letter on Wednesday that he's giving up his CEO role. Trump withdrew Isaacman's nomination over the weekend "after a thorough review of prior associations," according to a post on Truth Social.