Former vice president clinches delegates needed for Democratic nomination after caucus victory in Pacific.
Joe Biden clinched the Democratic presidential nomination on Saturday with a big caucus victory on the U.S. island territory of Guam in the western Pacific.
According to the Democratic Party of Guam, Biden, the former vice president, received 27o votes, or 70 percent, beating Vermont Senator Bernie Sanders, who received 118 votes, or 30 percent.
