Joe Biden has been hailed for restoring “dignity” and “integrity” to the US while “upholding democracy” in the nation. Famous faces rushed to heap praise on the 81-year-old democrat moments after he announced with a letter posted on X he was stepping down from the 2024 White House race against his 78-year-old rival Donald Trump, who is riding hiding on a wave of MAGA support after surviving an assassination attempt on 13 July. Former US president Barack Obama, 62, said on X: “Joe Biden has been one of America’s most consequential presidents, as well as a dear friend and partner to me. “Today, …