Biden formally clinches Democratic presidential nomination

By STEPHEN OHLEMACHER and WILL WEISSERT
WASHINGTON  — Joe Biden formally clinched the Democratic presidential nomination Friday, setting him up for a bruising challenge to President Donald Trump that will play out against the unprecedented backdrop of a pandemic, economic collapse and civil unrest.
“It was an honor to compete alongside one of the most talented groups of candidates the Democratic party has ever fielded,” Biden said in a statement Friday night, ”and I