Joe Biden insisted he was the person to reunite America in a second term in the White House and was “up for the job” as he hit the trail in Pennsylvania on Sunday – but the number of high-profile Democrats doubting his position as the presumptive party nominee only grew amid a campaign in crisis.
Pressure on the US president increased even further following his poor debate performance against Donald Trump last month and an underwhelming ABC interview last week, as a group of Democratic representatives met online with House minority leader Hakeem Jeffries on Sunday.
