Why did Biden drop out of the US presidential race?

Joe Biden is out of the US presidential race. He's abandoned his re-election bid and backs his Vice President Kamala Harris. But what's behind this move? And will it energise the Democratic base ahead of November's election? In this episode: Steve Herman, Chief National Correspondent for Voice of America. A.Scott Bolden, Former Chair of the Washington DC Democratic Party. James Zogby, Democratic Party insider. Host: Mohammed Jamjoom Connect with us: @AJEPodcasts on Twitter , Instagram, Facebook