Joe Biden warns of dangers of ‘oligarchy’ of ultra-rich running United States

President Joe Biden speaks from the Oval Office of the White House as he gives his farewell address (Mandel Ngan/Pool via AP)

President Joe Biden seized what may be his final opportunity to reshape Americans’ grim views on his term as he delivered a farewell address to the US on Wednesday night.

Speaking from the Oval Office as he prepares to hand over power to President-elect Donald Trump, Mr Biden sounded the alarm over the accumulation of power and wealth among a small few.