Presidential nominee Joe Biden and California senator Kamala Harris, his running mate, at the conclusion of the Democratic National Convention in Delaware. Photograph: Olivier Douliery/AFP via Getty Images

The Democratic National Convention came to a close on Thursday night with Joe Biden’s speech accepting his party’s nomination for president. The ballo(...)

Former vice president Joe Biden, the Democratic presidential nominee, speaks during the Democratic National Convention in Delaware last night. Photograph: Bloomberg

Democratic presidential candidate Joe Biden has urged Americans to unite behind his candidacy, as he vowed to end “the season of darkness” represented(...)