 The First Lady has also expressed fear that bowing out would make the Atlanta debate a defining image of her husband's presidency, an outcome she finds unacceptable, the people said. Biden's sister Valerie also remains committed to the campaign, but has not ruled out advocating changes if the race becomes damaging to her brother's health and legacy. So, in essence, all of the immediate family of Joe Biden is telling him to stay in. And Dr. Jill Biden, who has this bizarre image in her head that if Joe Biden steps down, that's going to be much worse for him than if he runs and loses. She's the one in his ear.