President Joe Biden is promising to fight on as the road to the White House elections continues.
That's despite making two major mistakes at the NATO summit.
During almost an hour of media questioning he insisted he is in good health, and said he would undergo more neurological testing if his doctors wanted it.
However the US president mixed up Kamala Harris with Donald Trump an accidentally called Ukraine's leader "President Putin".
Democratic congressman Greg Stanton's the latest in a line of politicians and celebrity backers to distance themselves from Joe Biden - asking that he steps aside in the race for re-election.
There've been growing concerns around the US President's age and ability to beat Donald Trump in November.
