text:  Live from NPR News in Boston, I'm Josie Guarino. President Joe Biden's campaign is insisting he's not stepping aside and that he'll be back on the campaign trail next week. He's currently isolating with COVID at his home in Delaware. President Joe Biden's campaign manager says Biden is absolutely staying in the 2024 presidential race. Biden's campaign chair, Jen O'Malley Dillon, says he's more committed than ever.