From the start of his 2020 campaign, Joe Biden insisted that President Donald Trump was an aberration, his norm-breaking, race-baiting tenure anathema to the national character.

¡°It¡¯s not who we are,¡± Biden often said, ¡°not what America is.¡±

And at the end of the 2020 campaign, an anxious, quarrelsome country is turning a question back at him: Are you sure?