Joe Biden has accused Donald Trump and Elon Musk of ‘taking a hatchet’ to the social security administration after they moved at warp-speed to dismantle large swaths of the federal government. In his first public remarks since leaving office, the former president avoided any explicit mention of Trump – his predecessor and successor – but was sharply critical of the new administration for threatening social security, which Biden called a ‘sacred promise’ that more than 70 million Americans relied on every month