Could Joe Biden drop out of the presidential race?

ITV News - What You Need To Know

Across a deeply divided and polarised nation, there is one thing that the US can now all agree on - that Joe Biden’s performance in the presidential debate, was a disaster.
From the inception, he looked lost, confused and charmless.
While he lacked coherency, his opponent, Donald Trump spewed lies and fake news - often unchallenged and unchecked.
The debate has led to calls for Biden to step aside but could that happen at this stage of the campaign?
US Correspondent Dan Rivers tells Yasmin Bodalbhai what you need to know...