Joe Biden has announced his withdrawal from the United States presidential race. He has further endorsed Vice President Kamala Harris as the Democratic presidential nominee.”It has been the greatest honour of my life to serve as your President. And while it has been my intention to seek re-election, I believe it is in the best interest of my party and the country for me to stand down and to focus solely on fulfilling my duties as President for the remainder of my term,“ Biden said in a statement shared on social media on Sunday. “For now, let me express my deepest gratitude to all those…