Biden'S 2024 Campaign Has Been. For more than 3 1/2 years, harris has been one of biden's chief validators. Cnn — as president joe biden’s top advisers circulated at white house holiday parties and held quiet briefings for key allies last month, a formulation of the same question.

The democrat had been expected to seek a second. Amid a slow start, biden hits 2024 campaign trail with a nod to labor support.