Joe Biden will deliver an address to the nation Friday evening.
Wilmington, United States:
Joe Biden will deliver an address to the nation Friday evening as he takes the lead in voting in key states needed to win the US presidential election, a campaign official said.
Biden -- who has stopped short of claiming victory but has been called "president-elect" by House Speaker Nancy Pelosi -- will speak later in the day from his home city of Wilmington, Delaware, the official said on condition of anonymity.
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