Biden formally clinches Democratic presidential nomination

Biden reached the threshold three days after the primaries because several states, overwhelmed by huge increases in mail ballots, took days to tabulate results. | World News

Biden doesn't have the delegates to clinch the nomination. That could change June 2.

Joe Biden Clinches Democratic Nomination for 2020 Election

Biden lags recent Democratic presidents in declaring re-election campaign –

Illinois primary results: Biden's win deals another blow to Sanders

Joe Biden clinches Democratic presidential nomination, setting up race with Trump

Biden clinches Democratic presidential nomination - POLITICO

Biden clinches Democratic nomination amid overlapping crises

Biden Formally Clinches Democratic Presidential Nomination - TPM – Talking Points Memo

Trump campaign raised $74 million in May, short of Biden's haul

Joe Biden Secures Democratic Presidential Nomination