California’s Gavin Newsom touts his support for President Joe Biden

California Gov. Gavin Newsom offered a forceful defense of embattled President Joe Biden on Thursday, telling Democrats in Michigan that the 81-year-old president has the record and energy to win a second term despite widespread doubts about his ability to campaign or govern effectively.

Who could replace Joe Biden on the Democratic ticket?

Amid concerns over President Joe Biden's debate performance, speculation has arisen about potential Democratic replacements, though Biden remains committed to his reelection campaign despite doubts about his viability for a second term.

Can Joe Biden be replaced?

The president's performance in the first debate Thursday night has caused some to speculate if he should even run for a second term in office due to his age.