Joe Biden. Photo: Collected
Democrats shocked by Joe Biden's dismal debate performance urged the US president Tuesday to be transparent about his mental fitness as he faced the first call from his own side to drop out of the election.
Some supporters have expressed growing doubts about the 81-year-old's candidacy after last week's televised showdown with Donald Trump, when Biden stumbled over his words and lost his train of thought -- exacerbating fears about his age.
Congressman Lloyd Doggett became the first Democratic lawmaker to publicly call on Biden to make way for another candidate, saying he was hopeful the president would "make the painful and difficult decision to withdraw."
Nancy Pelosi, a Democratic Party heavyweight and former speaker of the House, said it was "legitimate" to ask whether Biden's debate disaster was indicative of a deeper problem rather than a one-off.
Biden has not given a live interview since the debacle, but will be interviewed by ABC on Friday with the first clips released later that day.
On Tuesday, he blamed exhaustion from international travel for his debate flop.
Speaking at a fundraiser, Biden said he "wasn't very smart" for "traveling around the world a couple times... shortly before the debate."
"I didn't listen to my staff," he said. "And then I almost fell asleep on stage."
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