South Carolina primary

Updated at 10:37 p.m. ET

Joe Biden has run for president three times, and yet until Saturday, he had failed to ever win a primary or caucus.

The 77-year-old former vice president has now notched an expected yet much-needed victory in the South Carolina primary, according to The Associated Press's projection.

The candidates in the Democratic presidential primary are competing in South Carolina on Saturday, hoping to win over voters in the fourth contest of 2020. Follow NPR's live coverage of the primary, including results and analysis.