Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Democrats Officially Nominate Joe Biden as Their Presidential Candidate VOA News U.S. Democrats officially nominated former Vice President Joe BidenTuesdayto be their candidate in the November presidential electionon another evening in which prominent Republicans joined with Democrats in criticizingPresident Donald Trumpwhile praising Biden's leadership skills. Biden had been the party's presumptive nominee for months after outlasting a crowded field of Democratic presidential hopefuls in state-by-state primary and caucus votes, including his closest rival, Senator Bernie Sanders ofVermont. On the second night of theDemocratic National Convention, the traditional roll call vote of states officially picking the party nominee featured representatives speaking from their states and territories pledging their support for Biden as henowruns againstTrump, aRepublican. .