Politics & Government Former Vice President Joe Biden Joins 2020 Presidential Race 5:00pm April 25, 2019 by Mara Liasson Politics Share URL copied to clipboard! Play Pause There was an error loading the media player. Copyright 2019 NPR. To see more, visit https://www.npr.org. 300x250 Ad More All Things Considered National How Harris' past debates set her up for sparring with Trump by Deepa Shivaram National New details emerge in the Georgia school shooting investigation 300x250 Ad Support quality journalism, like the story above, with your gift right now. Donate