Democratic presidential candidate Joe Biden and wife Dr. Jill Biden are seen in a video feed from Delaware after winning the votes to become the nominee on the second night of the 2020 Democratic National Convention at the Wisconsin Center on August WILMINGTON, Del. (AP) - Democrats formally nominated Joe Biden as their presidential candidate, with party elders, a new generation of politicians and voters in every state joining in an extraordinary, pandemic-cramped virtual convention to send him into the general election campaign to oust President Donald Trump.For someone who has spent more than three decades eyeing the presidency, the moment Tuesday night was the realization of a long-sought goal.