After months of appearing inseparable, President Donald Trump and Elon Musk’s relationship is imploding into a messy public spectacle with the two men trading attacks online over a variety of topics, including Trump’s budget bill, Musk’s White House departure and electric cars. In one post, Trump wrote, “Elon was ‘wearing thin,’ I asked him to leave… and he just went CRAZY,” with Musk responding with, “Such an obvious lie. So sad.” NBC’s Kelly O’Donnell reports for TODAY.