 Larry Sabato with the University of Virginia Center on Politics assessing the president's appearance in the one-on-one interview. This may have stopped the bleeding, but the problem for Biden is he's already lost so much blood. The debate was such a shock to Democrats and independents who lean Democratic that it's going to be difficult to get him enough transfusions to keep going. CBS News special report. I'm Jennifer Kuiper. Wherever you get your podcasts.