A feud between Donald Trump and Elon Musk exploded into public view again, as the US president took to Truth Social to attack the billionaire entrepreneur, telling him to “head back home to South Africa” and accusing him of surviving on government handouts. The outburst followed a string of fiery posts by Musk on X (formerly Twitter), in which he condemned Trump’s sweeping tax and spending bill, known among critics as the "big beautiful bill." Musk, who has clashed with Trump in recent weeks, accused politicians who backed the legislation of hypocrisy and pledged to help unseat them. “Those who...