Joe Biden calls Zelensky 'President Putin' in latest embarrassing gaffe at NATO summit
![Joe Biden calls Zelensky 'President Putin' in latest embarrassing gaffe at NATO summit](https://i2-prod.mirror.co.uk/incoming/article33225302.ece/ALTERNATES/s615/1_US-UKRAINE-NATO-SUMMIT-DIPLOMACY-BIDEN.jpg)
Joe Biden has been trying to prove to the American people that he is the right man to lead the country for another four years after his lacklustre debate performance against Donald Trump last month