Kamala Harris
The US president claimed Harris had been “disrespectful” to Biden, echoing criticism by Trump's campaign earlier Tuesday.
The California senator fulfills Biden’s pledge to choose a woman as his running mate.
Senator Cory Booker made an emotional plea for the Kentucky Republican to yield his objections.
The California senator struggled to gain traction in recent months.
Former VP becomes 20th Democratic candidate to join the race to take on Donald Trump.
Former Texas congressman Beto O'Rourke has announced he is running for president in the 2020 elections. He joins 14 others who will be vying for the Democratic nomination, including senators Bernie Sanders, Elizabeth Warren, Kamala Harris.
Harris kicked off her campaign to become the next party presidential candidate, but there are a number of challenges she'll face
Kamala Harris is the third woman announcing her run to be Democratic candidate for the US presidency in 2020, alongside Elizabeth Warren and Kirsten Gillibrand. Whoever gets the nomination will be facing Donald Trump.