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. US Democrats Voting in 14 Presidential Primaries Ken Bredemeier Americans across 14 U.S. states are voting Tuesday in key Democratic presidential nominating contests, possibly narrowing the field of choices to face Republican President Donald Trump in November's national election. Vermont Senator Bernie Sanders, a self-declared democratic socialist, is expected to win the largest share of delegates to the party's July national nominating convention, largely off a projected robust vote for him in California, the country's biggest state. In all, a third of the national convention delegates will be picked in the single day of voting. But Sanders faces stiff competition in several states from former Vice President Joe Biden, who easily captured the South Carolina primary last weekend on the strength of a large turnout of African-American voters and then was endorsed by two opponents who dropped out of the race, former South Bend, Indiana Mayor Pete Buttigieg and Minnesota Senator Amy Klobuchar. .