 As correspondent Jackie Quinn reports, the 81-year-old Biden endorsed Vice President Kamala Harris to take his place and said he would address the nation in the coming days to tell the American people why he's ending his candidacy but will remain president for the rest of his term. President Biden's been facing an uphill battle since his disastrous debate performance on June 27th against Donald Trump. And as much as he's tried to recover... I know how to tell the truth!