Biden’s ability to win back Democrats tested at perilous moment for campaign

The serving US President insists he is the best person to take on Donald Trump, but doubts remain among senior Democrats.

US President Joe Biden’s efforts to revive his re-election bid and win over sceptical Democrats have done little to soften the push for him to exit the 2024 race, despite a week of campaigning and his own insistence that he is the best candidate to confront Donald Trump.