Democratic presidential nominee
Biden chooses Kamala Harris as running mate
Former vice-president Joe Biden, the presumptive Democratic presidential nominee, picked California Senator Kamala Harris as his running mate on Tuesday.
Obama backs Biden as the best leader for 'darkest times'
Former US President Barack Obama on Tuesday endorsed Joe Biden, giving the presumptive Democratic presidential nominee a boost from the party's biggest fundraiser and one of its most popular figures.
Clinton jabs again at Sanders, says he didn't unite party
Hillary Clinton is not done talking about Bernie Sanders.