Defiant Biden sends letter to Democrats urging them to unite around his candidacy
![President Joe Biden, left, and first lady Jill Biden, right, walk on the South Lawn of the White House in Washington, Sunday, July 7, 2024, after returning from events in Pennsylvania. An older man and woman, each wearing sunglasses, and he wearing a suit jacket and her wearing a dress, are shown near a military guard in uniform and a helicopter.](https://i.cbc.ca/1.7257050.1720449194!/fileImage/httpImage/image.jpg_gen/derivatives/16x9_620/biden.jpg)
U.S. President Joe Biden, in a letter to congressional Democrats, stood firm Monday against calls for him to drop his candidacy and called for an end to the drama that has gripped the party after his dismal public debate performance on June 27.