What we know about Biden’s strategy to try to hold on until Election Day

A defiant President Joe Biden refuses to heed calls from left-leaning pundits, some Democratic lawmakers, and the party’s voter base to consider stepping away from the ticket after a disastrous performance at the first debate against former President Donald Trump last week.

Biden’s inability to quell concerns about his mental acuity during the debate led to Democratic panic over whether the president should remain the party’s standard-bearer ahead of the Democratic National Convention in August.